loading

 alt=

Unlock the Power of 5 Whys: Root Cause Analysis Made Easy

Delve into the 5 Whys technique, a simple yet powerful tool for uncovering the root causes of problems and implementing effective solutions. Learn how to apply it to various scenarios, from product defects to process inefficiencies.

  • What Is Lean Management?
  • The 5 Principles of Lean
  • What Is Shared Leadership?
  • What Is Lean Manufacturing?
  • What Is Value in Lean?
  • 7 Wastes of Lean
  • What Is Mura?
  • What Is Muri?
  • What Is 5S?
  • What Is the Cost of Delay?
  • What Is Value Stream Mapping?
  • What Is a Pull System?
  • What Is a Bottleneck?
  • Just-in-Time Manufacturing
  • Implementing a Kanban Pull System
  • Pull System on the Portfolio Level
  • What Is Kaizen?
  • What Is Continuous Improvement?
  • Built-In Quality Management
  • What Is the Poka-Yoke Technique?
  • What Is the PDCA (Plan Do Check Act) Cycle?
  • 5 Whys: The Ultimate Root Cause Analysis Tool

Gemba Walk: Where the Real Work Happens

A3 Problem-Solving: Fight the Root Cause

  • How To Perform Root Cause Analysis?
  • Root Cause Analysis Tools
  • What Is a Pareto Chart?
  • What Is a Scatter Diagram?
  • What Is a Fishbone Diagram?
  • What Is Hoshin Kanri?
  • What Is Hoshin Kanri Catchball?
  • Demystifying the Hoshin Kanri X Matrix
  • The Lean Transformation Model Explained
  • Lean Transformation Roadmap - 8 Comprehensive Steps
  • What Is Cycle Time?
  • What Is Little's Law?
  • What Is Takt Time?
  • What Is Heijunka?
  • What Is Jidoka?
  • What Is Andon?
  • Lean Six Sigma Principles
  • Lean Six Sigma Tools
  • Lean Six Sigma Implementation
  • What Is Six Sigma?
  • What Is DMADV?
  • What Is DMAIC?
  • Lean Project Management

Unpredicted problems occur in any team or process. However, problems are just symptoms of deeper issues. Fixing a problem quickly may be a convenient solution; however, it doesn’t protect your work process from recurring mistakes. This is why your team needs to focus on finding the root cause and tackling it properly. The good news is that there's a simple yet powerful tool that can help you get to the bottom of any problem: the Five Whys analysis process.

The 5 Whys method allows uncovering the root cause of a problem by simply asking "Why" five times. This interrogative technique is one of the most effective tools for root cause analysis in Lean management .

Origin of 5 Whys

The 5 Whys method is part of the Toyota Production System and an essential approach to problem-solving. Developed by Sakichi Toyoda , a Japanese inventor, and industrialist, the technique became an integral part of the Lean philosophy.

"The basis of Toyota’s scientific approach is to ask why five times whenever we find a problem … By repeating why five times, the nature of the problem as well as its solution becomes clear." Taiichi Ohno

One of the key factors for the successful implementation of the technique is to make an informed decision. This means that the decision-making process should be based on an insightful understanding of what is actually happening on the work floor.

In other words, the root cause analysis process should include people with practical experience. Logically, they can give you the most valuable information regarding any problem that appears in their area of expertise.

What Is a 5 Why's Example?

When applying the 5 Whys technique, you want to get to the problem's essence and then fix it. Actually, the 5 Whys questions may show you that the source of the problem is quite unexpected.

Often, issues that are considered technical problems actually turn out to be human and process problems. This is why finding and eliminating the root cause is crucial if you want to avoid iteration of failures.

5 whys analysis examples

Here is an example of applying the 5 Whys.

Problem : We didn’t send the newsletter about the latest software updates on time.

Questions :

  • Why didn’t we send the newsletter on time? Updates were not implemented until the deadline.
  • Why were the updates not implemented on time? Because the developers were still working on the new features.
  • Why were the developers still working on the new features? One of the new developers didn’t know the procedures.
  • Why was the new developer unfamiliar with all procedures? He was not trained properly.
  • Why was he not trained properly? Because CTO believes that new employees don’t need thorough training and they should learn while working.

You can notice that the root cause of the initial problem turned out to be something completely different from most expectations.

Furthermore, it is obvious that it is not a technological but a process problem. This is typical because we often focus on the product part of the problem as we neglect the human factor.

Therefore, the 5 Whys analysis aims to inspect a certain problem in depth until it shows you the real cause .

Keep in mind that "5" is just a number. Ask "Why" as many times as you need to complete the process and take appropriate actions.

What Is a Five Why’s Template?

A Five Whys template provides a structured format for conducting the analysis. The template typically includes a series of questions or prompts to guide you through the process of identifying the underlying causes of the problem at hand. A basic Five Whys template might look something like this:

  • What is the problem?
  • Why did the problem occur?
  • Why did the reason in question 2 happen?
  • Why did the reason in question 3 happen?
  • Why did the reason in question 4 happen?

Thanks to the iterative nature of the model and by answering these questions in sequence, you can trace the problem back to its root cause and develop effective solutions to address it. You may include additional questions or tailor the template to align with specific types of problems and requirements.

How Do You Perform 5 Whys Analysis?

The 5 Whys technique may help you achieve  continuous improvement at any level of your organization. The 5 Why’s process typically includes the following steps.

1. Form a Cross-Functional Team

Try to assemble a team of people from different departments. Each representative has to be familiar with the process that is going to be investigated.

By forming a cross-functional team , you are going to receive unique points of view.

At Businessmap (previously known as Kanbanize), we collect enough information to make an informed decision. However, this is not an individual task; it requires the collective effort of the entire team.

2. Define the Problem

Discuss the problem with the team and make a clear problem statement. It will help you define the scope of the issue you are going to investigate.

This is important because investigating a wide-scope problem may be a time-consuming exercise with blurred boundaries. Try to be as focused as possible to find an effective solution in the end.

3. Start Asking "Why"

Empower one person to facilitate the whole process. This team leader will ask questions and try to keep the team focused. The answers should be based on facts and real data, rather than on emotional opinions.

The facilitator should ask "Why" as many times as needed until the team can identify the root cause of the initial problem.

Advice 1.   Don’t ask too many Whys. If you keep going, you may end up receiving tons of unreasonable suggestions and complaints, which is not the purpose. Focus on finding the root cause.

Advice 2.   Sometimes there could be more than one root cause. In these cases, the 5 Whys analysis will look more like a matrix with different branches. This may even help you detect and eliminate organizational issues that have permanent negative effects on overall performance.

5 whys analysis

4. Act on the Root Cause

After the team detects the root cause(s), it is time to take corrective actions. All members should be involved in a discussion to find and apply the best solution that will protect your process from recurring problems.

When the decision is made, one of the team members should be responsible for applying the right actions and observing the whole process.

5. Monitor the Effects

After a certain period of time, the team needs to meet again and check if their actions had a positive impact. If not, the 5 Why’s process should be repeated until you identify the correct cause of the problem.

6. Document the Process

In the end, the analysis process should be documented and shared across the organization. Sharing this information will give an insightful overview of the different kinds of problems a team may face and how those problems can be eliminated.

5 Whys Frequently Asked Questions

What are the 5 why’s questions.

The Five Why’s is a brainstorming method where the audience asks repeatedly the question "Why" until the root cause of a problem is identified and the solution is clear.

What Are the Techniques to Perform Five Why’s Analysis?

Two of the most popular visualization techniques to perform the 5 Why’s analysis include root cause analysis tools such as the Fishbone diagram (also called Ishikawa diagram) or process mapping.

How Can the Five Whys Analysis Tool Be Used in Practice?

The Five Whys process is deceptively simple, but it can be incredibly effective in a wide range of contexts, from manufacturing and engineering to healthcare, education, and personal life.

What Are Other Problem-Solving Techniques?

Other widespread root cause analysis tools include process mapping , the Failure Mode and Effects Analysis (FMEA), and Scatter diagram .

Businessmap is the most flexible software platform

for outcome-driven enterprise agility.

Michaela Toneva

Michaela Toneva

SEO & Content Creator | Agile Practitioner

With a never-ending thirst for knowledge and a passion for continuous improvement, Michaela is an Agile practitioner with a good understanding of Kanban, Lean, and Agile methodologies. Her professional background includes SEO and content writing with a dose of sales and a pinch of social media.

icon

Start your free trial now and get access to all features.

During the 14-day trial period you can invite your team and test the application in a production-like enviroment.

Root-cause problem solving in the Ops 4.0 era

root cause problem solving lean

Passionate about the “human factor”: helping people develop broad skills and deep functional expertise. Experienced operations practitioner, faculty member, and author.

Wouter Michiels

Wouter Michiels, a consultant based in the Brussels Office, has more than 10 years’ experience in petrochemical manufacturing, engineering, and supply chains.

April 15, 2019 To improve, organizations must consistently seek out and solve their problems—an insight that underpins lean management ’s emphasis on root-cause problem solving (RCPS). Indeed, companies that have used RCPS to build a problem-solving culture that lasts are able to avoid continuous firefighting by effectively preventing fires from starting.

But RCPS takes discipline and patience, which some leaders resist: a manager may be reluctant to use this model if she’s convinced that she has already identified an “operational solution.” Nevertheless, persuading her to join her team on a problem-solving journey can help uncover a more effective and sustainable set of solutions—most importantly by including the people who know the problem best: shop-floor employees. Their perspective often shows that the initial idea would not have addressed the problem’s real causes, and would have met with a lot of resistance from the people charged with implementation.

Ops 4.0 technologies are making it easier to overcome that resistance and invigorate root-cause problem solving performance. What follows is a non-exhaustive overview of how different technologies ( italicized ) could be applied in each of the five RCPS elements (exhibit).

1. Identifying and defining the problem

The rise of advanced analytics and business-intelligence applications allows companies can detect many more problems than in the past, and in a more effective way—so long as they have sufficient internal support to interpret the output . Examples include fraud detection in banking and insurance, as well as deviations from normal operating conditions of equipment in manufacturing plants. For the latter, the increased availability of high-frequency, high-precision sensors , together with the rise of the Internet of Things provides companies with larger data sets from which to identify problems.

2. Assessing root cause(s)

Once the problem is defined, root causes are often identified via the five-why methodology. Instead of using the traditional colored sticky notes to facilitate this exercise, companies can now use interactive whiteboards incorporating speech-to-text or handwriting-to-text algorithms, together with high-quality touch commands . Moreover, the whiteboards can link to data warehouses , thereby enabling self-service analytics or even machine-learning algorithms for performing the analyses required in confirming or rejecting potential root causes.

3. Designing solutions

Augmented- and virtual-reality applications can help designers’ creation process become even more productive. Faster iterations between the drawing board and a more real-life representation shorten lead times toward final design. Rapid prototyping and 3D printing can accelerate this process even further by bringing intermediate versions of the solution to life.

4. Testing solutions

Once a solution has been designed, it is crucial to test its efficiency and effectiveness. The increase in computing power enables companies to perform extensive computational simulations . Using digital twins helps organizations create virtual mirrors of their operations, allowing them to test ideas more realistically before implementation.

5. Sustaining, sharing, and continuously improving

The digital communication and collaboration platforms that are now in widespread use can often be linked with interactive tools such as digital whiteboards, minimizing the time teams spend on documentation so they can instead focus on the creative parts of problem solving. Having past records of problem-solving sheets available at only one touch avoids solving the same problem all over again.

The above list shows how the ancient art of root-cause problem solving can take shape in today’s environment. The question for most organizations is how to start, especially with technologies that can sound like science fiction. A learning center designed to replicate an actual, digitally enabled working environment can provide the first step, helping people experience the impact these technologies can achieve in a practical and realistic setting.

Connect with our Operations Practice

Lean Master

  • Advantages of Lean Manufacturing
  • Continuous Flow
  • Synchronized Production
  • Kanban / Pull System
  • Level Production
  • Reduction of Waste (Muda)
  • Kaizen (Rapid Continuous Improvement Workshop)
  • Standard Work Instructions
  • 5S or Visual Management
  • Key Performance Indicator(KPI)
  • Total Productive Maintenance (TPM)
  • Quick Changeover / SMED
  • Root Cause Problem Solving
  • Lean Roles and Responsibilities
  • Quality Assurance
  • Just In Time
  • Line Balancing
  • Lean layout
  • Value Stream Mapping (VSM)
  • Error Proofing / Poka-Yoke
  • Team Leaders & Work Teams
  • Team Meetings
  • Lean Healthcare
  • Some of Our Clients
  • Contact Us  

Lean Masters uses a Practical Problem Solving (PPS) process to find the root cause of the problem and applies a permanent countermeasure to stop it. With our Root Cause Problem Solving Training we help our clients through a series of steps to identify the problem, determine the root cause of the problem, generate permanent countermeasures to stop the problem from reoccurring, and implement follow up measures to check progress. It’s not enough to just know the problem but knowing what you do with the problem to continuously improve or get better is the key to success.

With Lean Masters expertise in designing and implementing a Lean Production system that fits your business we deal with a lot of problems in different types of companies. We have a vast knowledge in Problem Solving Techniques and empowering workers to see problems as opportunities to improve, helping them recognize those abnormalities and training and teaching them to permanently apply a countermeasure/solution to stop it from happening again. We then coach them to apply the PDCA Cycle to evaluate the success of the process.

Reduction of Waste (Muda) Kaizen (Rapid Continuous Improvement Workshop) Standard Work Instructions 5S or Visual Management Key Performance Indicators (KPI) Total Productive Maintenance (TPM) Quick Changeover / SMED Root Cause Problem Solving Lean Roles and Responsibilities Quality Assurance Just-In-Time Line balancing Lean layout Takt Time Value Stream Mapping Error Proofing (Poka-Yoke) Team Leaders & Work Teams Team Meetings

contact us at

Phone

Horizontal-01

The 5 Whys Of Lean For A Root Cause Analysis

icon-1-01.png

June 22, 2017

lean root cause analysis

A relentless barrage of “why’s” is the best way to prepare your mind to pierce the clouded veil of thinking caused by the status quo. Use it often. -Shigeo Shingo

Sometimes everything does not go as you planned. Your best-laid plans may not work out, some tools might break, or wires might get crossed – all such possibilities always exist. In these situations, it is essential that you know what went wrong, so you can avoid the issue in the future. Occasions such as these are when you need to use ‘The 5 Whys’ – an exceptionally effective but simple process for performing the root cause analysis of an issue. Basically, the process is based on discussing an issue, a challenge, or an unexpected event to follow a chain of thoughts that takes you to the nature and cause of the problem. So, what are the 5 Whys and how does the process work?

Where the 5 Whys come from

The technique was introduced and improvised by Toyota Motor Corporation.

It is a strategic and vital component of the problem-solving regime for the company.

Taiichi Ohno , the architect for the company in the 1950s, has explained the 5 Whys process in his publication ‘ Toyota Production System : Beyond Large-Scale Production’.

He describes the 5 Whys as the basis of the scientific approach taken up by Toyota – he states that by repeating the question ‘why’ five times, the nature and the solution of a problem become clear.

He further encouraged teams to explore all the issues that are encountered by asking ‘why’ five times, so that the root cause (and an appropriate solution) for each problem can be reached.

How the 5 Whys process works

The 5 Whys method is carried out by arranging meetings right after a problem has been encountered by the company.

The problem can belong to multiple categories – it can be a development error, missed schedules, marketing campaign failure, or a site outrage. Whenever something undesired comes up, you can use this process for analyzing the root cause of the issue.

Before you can start, you should understand that the 5 Whys are not a tool to find someone to blame, but to understand why something unwanted or unexpected happened. Moreover, it can help the company in taking a few steps and making a few changes to ensure that the same problem doesn’t happen again.

Ask “why” 5 times

You’re supposed to go down five levels into the problem using the 5 Whys.

Even though this seems to be the easiest part of the process, it can be a bit complex. If you start off correctly, the rest of the things are more likely to fall in place.

Hence, the key is to get the first why right. While conducting this method, you may feel that would be beneficial to dig down into all the possible paths and analyze each extensively.

This, however, can add a lot to the list of things that have to be learned and corrected.

The 5 Whys is a ‘lean’ process, therefore it must allow us to pick one path and carry out just the required corrective measures in order to solve an issue. Hence, a lot of times you will have to pick just one out of multiple paths, and stick with it.

In case the problem reoccurs, then you can opt another route for solving it.

Convey the results and assign responsibilities

It is important that you share this information and the process results with the entire team.

This is because it provides everyone with an insight about what types of problems the company is facing, and how they can be solved.

With a certain analysis, it will be easier for the staff to understand exactly why the company is putting in some time to solve an issue rather than introducing new features.

In case this step creates an argument, that is something positive too because it tells you that there is a problem because either your team does not understand what you are doing and why it is important, or your analysis is not conclusive enough. You will have to determine where exactly the loophole is and then fix it.

Once the exercise of the 5 Whys has been performed, pair up every question with and answer and determine 5 relevant ‘corrective actions’ that everyone agrees upon. These actions will make up the solution for the issue that is being analyzed.

The leader for this activity should then assign relevant responsibilities to different members of the team/company for implementing the solution.

Example of the 5 Whys in Action

The problem that a company is facing is that their customers are dissatisfied because the products that are being shipped to them do not meet their exact specifications. So, how would the company determine the root cause of the problem using the 5 Whys? By asking the following questions:

Why are the customers being shipped products with wrong specifications?

Because the products were manufactured to specifications that were different from what the sales team and the customer agreed upon.

Why were the products manufactured with different specifications than those agreed upon by the sales team?

Because the sales team expedites its work by directly contacting the head of manufacturing for starting to build the products. An error was made in the communication between the sales person and the head of manufacturing which led to the wrong specifications being noted down.

Why did the sales person contact the head of manufacturing directly instead of following the company’s standard procedure?

Because the ‘start manufacturing’ form in the company requires the approval of the sales director before the work can begin – this slows down the process of manufacturing and would lead to a delay in shipping to the customers.

Why does the form require the approval of the sales director?

Because the director needs to be continuously updated with the sales/manufacturing details for discussion with the company’s CEO.

In this scenario, only four Whys were required to determine the root cause of the problem – the non-value added approval (signature) of the sales director is causing a breakdown in the manufacturing process. The company can now come up with a solution for ensuring that there is no delay in the manufacturing process without the sales person having to directly contact the head of manufacturing.

Note that like in this case, you may reach the cause of your issue in either less than five Whys or more than five Whys – just remember to keep asking why until you have determined the root of the problem.

  • The 5 Whys are a lean technique for determining the root cause of an issue.
  • For conducting the 5 Whys process, you must first ask the question ‘why’ five times and then pair each question and answer to draw up the corrective actions that your company needs to perform.
  • After you have determined the root cause of the issue and its corrective actions, you must convey the results to your entire team and assign responsibilities to relevant individuals for solving the issue.

If you enjoyed this post, we would be very grateful if you’d help it spread by emailing it to a friend, or sharing it on Twitter or Facebook. Thank you!

  • Fishbone diagram or Ishikawa diagram via 5 why’s
  • When and How to Use Your Kaizen Event ?
  • The New Trend of Lean Government in a Nutshell
  • Lean Management Approaches: The Role of Lean Leaders
  • Lean Six Sigma Green Belt Training Belgium

Get The Latest Update

Article associé.

root cause problem solving lean

7 Techniques Lean Managers Use to Build Motivation Culture

Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time. – Thomas Edison 7 Techniques

Lean Management training Belgium

Lean Six Sigma Across a Range of Companies

When companies choose to apply Lean Six Sigma principles to their activities, their goals are usually to do more, do it better, with less waste,

root cause problem solving lean

Why Larger Companies Have Problems with Lean Management?

Why do larger companies have problems with lean management? The concepts behind Lean and its variations like Lean Six Sigma are the key buzzwords of

root cause problem solving lean

Technology and Lean Management

In the modern global economy, data rules supreme. In many cases data is more valuable than money, because, like the fable of the goose that

root cause problem solving lean

Customer Satisfaction as a Predictor of Future Performance and Executive Compensation

A company cannot simply exist in the here and now. It must constantly evaluate its horizons and the intervening landscape to ensure a safe and

root cause problem solving lean

How Lean Six Sigma Can Help You Manage and Improve Your Performance

A key facet of successful performance measurement – and therefore commercial success – is that progress and performance be based on principles of measurable activity

Our Trainings

  • Lean Management
  • Yellow Belt – Lean Six Sigma
  • Green Belt – Lean Six Sigma
  • Black Belt – Lean Six Sigma
  • BPM - Business Process Management
  • All Articles

root cause problem solving lean

Lean Six Sigma Belgium supports many clients in the development of operational excellence skills through Lean Management, Lean Six Sigma and BPM trainings.

Copyright © 2024 Lean Six Sigma Belgium

Image

  • RCA 101 – 5-Why Analysis (Free Training)
  • RCA201 – Basic Failure Analysis
  • RCA 301 – PROACT® RCA Certification
  • RCA401 – RCA Train The Trainer
  • Other Trainings
  • 5 Whys Root Cause Analysis Template
  • RCA Template
  • Chronic Failure Calculator

Root Cause Analysis with 5 Whys Technique (With Examples)

Sebastian Traeger

By Sebastian Traeger

Updated: April 23, 2024

Reading Time: 7 minutes

What Is the 5 Whys Technique?

Example of the 5 whys technique, how to conduct a 5 whys analysis in 5 steps, when to use a 5 whys analysis, using 5 whys template, tips for mastering the 5 whys technique, frequently asked questions about 5 whys.

With over two decades in business – spanning strategy consulting, tech startups and executive leadership – I am committed to helping your organization thrive.

At Reliability, we’re on a mission to help enhance strategic decision-making and operational excellence through the power of Root Cause Analysis, and I hope this article will be helpful! 

Our goal is to help you better understand 5 whys techniques by offering insights and practical tips based on years of experience. Whether you’re new to doing RCAs or a seasoned pro, we trust this will be useful in your journey towards working hard and working smart.

The 5 Whys Technique is like peeling an onion – it helps you uncover the underlying reasons behind a problem, layer by layer. By repeatedly asking “why” at least five times, this method digs deep to reveal the root cause of an issue. It’s a simple yet powerful problem-solving approach that aims to get to the heart of the matter rather than just addressing surface-level symptoms.

5 Whys Technique: A method that involves iteratively asking “why” five times to unveil the fundamental cause of a problem.

5 Why Example

In essence, the 5 Whys Technique is not just about fixing what’s broken on the surface; it’s about understanding and addressing the deeper issues that lead to problems in the first place.

The 5 Whys Technique is like a detective, uncovering the truth behind recurring problems. Let’s take a look at how this method works in two different scenarios.

Case Study: Manufacturing Defects

Imagine a company that keeps encountering the same manufacturing defects despite various attempts to fix them. By using the 5 Whys Technique, they discovered that the defects were not caused by faulty machinery, as previously assumed, but rather by human error due to unclear operating instructions. This realization led to improved training procedures and clear work guidelines, ultimately eliminating the defects.

Application in Service Industry

Now, consider a service industry struggling with frequent customer complaints and service failures. Through the 5 Whys Technique, it was revealed that these issues stemmed from inadequate staffing levels during peak hours. By addressing this root cause, such as hiring additional staff or adjusting schedules, the service quality can significantly improve, leading to higher customer satisfaction.

These examples illustrate how the 5 Whys Technique can be applied across different sectors to identify and address underlying issues effectively.

Step 1: Identify the Problem

Before diving into a 5 Whys analysis, it’s crucial to clearly identify the problem or issue at hand . This step sets the stage for the entire process and ensures that the focus remains on addressing the right concern. Take the time to gather relevant data, observe patterns, and consult with team members or stakeholders to gain a comprehensive understanding of the problem.

Step 2: Ask ‘Why’ Five Times

Once the problem is clearly defined, it’s time to start peeling back the layers. The process involves asking “why” five times, not necessarily limited to five questions but enough to delve deeper into the underlying causes of the problem . Each “why” serves as a gateway to uncovering additional factors contributing to the issue. This iterative approach helps in identifying not just one cause, but multiple interconnected elements that may be at play.

By consistently probing deeper with each “why,” you can reveal hidden complexities and nuances that may have been overlooked initially. This method allows for a more thorough understanding of the situation, paving the way for effective solutions that address root causes rather than surface-level symptoms.

This structured approach encourages critical thinking and enables teams to move beyond quick fixes towards sustainable improvements.

The 5 Whys Technique is a versatile problem-solving approach that can be applied in various scenarios to uncover root causes and drive continuous improvement. Here are two key situations where the 5 Whys Analysis can be particularly beneficial:

Recurring Issues

  • The 5 Whys Technique is especially useful when dealing with recurring issues. Whether it’s a manufacturing defect that keeps resurfacing or a persistent customer complaint in the service industry, this method helps identify the underlying reasons behind these repetitive problems. By repeatedly asking “why,” it becomes possible to trace the issue back to its root cause, allowing for targeted solutions that prevent reoccurrence.

Process Improvement

  • Organizations constantly strive to enhance their processes and workflows for increased efficiency and quality. When seeking to improve existing procedures, the 5 Whys Technique serves as a valuable tool. By systematically analyzing the factors contributing to inefficiencies or bottlenecks, teams can gain insights into how processes can be optimized at their core. This method enables organizations to make informed decisions about process improvements based on a deep understanding of the underlying issues.

In both cases, the 5 Whys Analysis offers a structured yet flexible approach to delve into complex problems, making it an indispensable tool for driving meaningful change and progress within organizations.

When it comes to conducting a 5 Whys analysis, utilizing a structured template can greatly facilitate the process and ensure a comprehensive investigation into the root cause identification. Using RCA software such as EasyRCA can benefit the team by streamlining your 5-why process. Here’s how organizations can benefit from using a template:

Screenshot of 5 Why Root Cause Analysis Software - EasyRCA 5 Why Template

Benefits of Using a Template

  • Streamlined Process: A well-designed 5 Whys template provides a clear framework for conducting the analysis, guiding teams through the iterative questioning process. This streamlines the investigation, making it easier to navigate and ensuring that no crucial aspects are overlooked.
  • Thorough Investigation: By following a predefined template, teams are prompted to explore various facets of the problem systematically. This ensures that all relevant factors are considered, leading to a more thorough and insightful investigation into the underlying causes.
  • Consistent Approach: Templates offer a standardized approach to conducting 5 Whys analyses within an organization. This consistency promotes uniformity in problem-solving methods across different teams or departments, enhancing overall efficiency and effectiveness.

Customizing the Template

Organizations have the flexibility to customize 5 Whys templates according to their specific needs and industry requirements. This adaptability allows for tailoring the template to address unique challenges and incorporate industry-specific considerations. Customization may include:

  • Adding Industry-Specific Prompts: Tailoring the template by incorporating prompts or questions relevant to particular industries or types of issues being analyzed.
  • Incorporating Visual Aids: Enhancing the template with visual aids such as flow charts or diagrams can help teams better understand and communicate complex causal relationships.
  • Iterative Refinement: Regularly reviewing and refining the template based on feedback and evolving organizational needs ensures that it remains aligned with current processes and challenges.

Customizing the template empowers organizations to harness the full potential of the 5 Whys Technique in addressing diverse problems while aligning with their unique operational contexts.

Encouraging Open Communication

In mastering the 5 Whys Technique as a problem-solving method, creating an environment that fosters open communication is paramount. When team members feel comfortable expressing their perspectives and insights, it leads to a more comprehensive exploration of the underlying causes of a problem. Encouraging open communication allows for diverse viewpoints to be considered, providing a holistic understanding of the issue at hand.

By promoting an atmosphere where individuals are empowered to voice their observations and concerns, the 5 Whys analysis can benefit from a rich tapestry of ideas and experiences. This inclusive approach not only enhances the depth of the analysis but also cultivates a sense of ownership and collective responsibility for addressing root causes within the team or organization.

Continuous Improvement Mindset

A key aspect of mastering the 5 Whys Technique is embracing a continuous improvement mindset. Rather than viewing problems as isolated incidents, this approach encourages teams to see them as opportunities for growth and development. By instilling a culture of continuous improvement, organizations can leverage the insights gained from 5 Whys analyzes to drive positive change across various aspects of their operations.

Fostering a mindset focused on continuous improvement entails actively seeking feedback, evaluating processes, and implementing iterative enhancements based on the findings. It involves an ongoing commitment to learning from past experiences and leveraging that knowledge to proactively address potential issues before they escalate. Embracing this mindset ensures that the 5 Whys Technique becomes ingrained in the organizational ethos, leading to sustained progress and resilience in problem-solving efforts.

As we wrap up our exploration of the 5 Whys Technique, let’s address some common questions that may arise regarding this powerful problem-solving method.

What is the primary goal of the 5 Whys Technique?

The primary goal of the 5 Whys Technique is to uncover the root cause of a problem by iteratively asking “why” at least five times. This approach aims to move beyond surface-level symptoms and address the underlying issues that lead to recurring problems.

Is the 5 Whys Technique limited to specific industries or sectors?

No, the 5 Whys Technique is versatile and can be applied across various industries and sectors. Whether it’s manufacturing, healthcare, service, or technology, this method offers a structured yet flexible approach to identifying root causes and driving continuous improvement.

How does the 5 Whys Technique contribute to continuous improvement?

By delving into the fundamental reasons behind problems, the 5 Whys Technique provides organizations with valuable insights for driving continuous improvement. It not only helps in resolving immediate issues but also fosters a culture of ongoing enhancement and development within an organization.

Can the 5 Whys Technique be used for complex problems with multiple contributing factors?

Yes, while initially designed as a simple and straightforward method, the 5 Whys Technique can certainly be applied to complex problems with multiple interconnected factors. By systematically probing deeper into each layer of causality, this technique enables a comprehensive understanding of intricate issues.

I hope you found this guide to 5 whys technique insightful and actionable! Stay tuned for more thought-provoking articles as we continue to share our knowledge. Success is rooted in a thorough understanding and consistent application, and we hope this article was a step in unlocking the full potential of Root Cause Analysis for your organization.

Reliability runs initiatives such as an online learning center focused on the proprietary PROACT® RCA methodology and EasyRCA.com software. For additional resources, visit Reliability Resources .

  • Root Cause Analysis /

Recent Posts

How to Perform Root Cause Investigations?

Post-Incident Analysis for Enhanced Reliability

How To Conduct Incident Analysis?

The Role of Artificial Intelligence in Reliability Engineering

Root Cause Analysis Software

Our RCA software mobilizes your team to complete standardized RCA’s while giving you the enterprise-wide data you need to increase asset performance and keep your team safe.

Root Cause Analysis Training

[email protected]

Tel: 1 (800) 457-0645

Share article with friends:

  • Business Essentials
  • Leadership & Management
  • Credential of Leadership, Impact, and Management in Business (CLIMB)
  • Entrepreneurship & Innovation
  • Digital Transformation
  • Finance & Accounting
  • Business in Society
  • For Organizations
  • Support Portal
  • Media Coverage
  • Founding Donors
  • Leadership Team

root cause problem solving lean

  • Harvard Business School →
  • HBS Online →
  • Business Insights →

Business Insights

Harvard Business School Online's Business Insights Blog provides the career insights you need to achieve your goals and gain confidence in your business skills.

  • Career Development
  • Communication
  • Decision-Making
  • Earning Your MBA
  • Negotiation
  • News & Events
  • Productivity
  • Staff Spotlight
  • Student Profiles
  • Work-Life Balance
  • AI Essentials for Business
  • Alternative Investments
  • Business Analytics
  • Business Strategy
  • Business and Climate Change
  • Creating Brand Value
  • Design Thinking and Innovation
  • Digital Marketing Strategy
  • Disruptive Strategy
  • Economics for Managers
  • Entrepreneurship Essentials
  • Financial Accounting
  • Global Business
  • Launching Tech Ventures
  • Leadership Principles
  • Leadership, Ethics, and Corporate Accountability
  • Leading Change and Organizational Renewal
  • Leading with Finance
  • Management Essentials
  • Negotiation Mastery
  • Organizational Leadership
  • Power and Influence for Positive Impact
  • Strategy Execution
  • Sustainable Business Strategy
  • Sustainable Investing
  • Winning with Digital Platforms

Root Cause Analysis: What It Is & How to Perform One

A hand stacking building blocks that read "root cause"

  • 07 Mar 2023

The problems that affect a company’s success don’t always result from not understanding how to solve them. In many cases, their root causes aren’t easily identified. That’s why root cause analysis is vital to organizational leadership .

According to research described in the Harvard Business Review , 85 percent of executives believe their organizations are bad at diagnosing problems, and 87 percent think that flaw carries significant costs. As a result, more businesses seek organizational leaders who avoid costly mistakes.

If you’re a leader who wants to problem-solve effectively, here’s an overview of root cause analysis and why it’s important in organizational leadership.

Access your free e-book today.

What Is Root Cause Analysis?

According to the online course Organizational Leadership —taught by Harvard Business School professors Joshua Margolis and Anthony Mayo— root cause analysis is the process of articulating problems’ causes to suggest specific solutions.

“Leaders must perform as beacons,” Margolis says in the course. “Namely, scanning and analyzing the landscape around the organization and identifying current and emerging trends, pressures, threats, and opportunities.”

By working with others to understand a problem’s root cause, you can generate a solution. If you’re interested in performing a root cause analysis for your organization, here are eight steps you must take.

8 Essential Steps of an Organizational Root Cause Analysis

1. identify performance or opportunity gaps.

The first step in a root cause analysis is identifying the most important performance or opportunity gaps facing your team, department, or organization. Performance gaps are the ways in which your organization falls short or fails to deliver on its capabilities; opportunity gaps reflect something new or innovative it can do to create value.

Finding those gaps requires leveraging the “leader as beacon” form of leadership.

“Leaders are called upon to illuminate what's going on outside and around the organization,” Margolis says in Organizational Leadership , “identifying both challenges and opportunities and how they inform the organization's future direction.”

Without those insights, you can’t reap the benefits an effective root cause analysis can produce because external forces—including industry trends, competitors, and the economy—can affect your company’s long-term success.

2. Create an Organizational Challenge Statement

The next step is writing an organizational challenge statement explaining what the gap is and why it’s important. The statement should be three to four sentences and encapsulate the challenge’s essence.

It’s crucial to explain where your organization falls short, what problems that poses, and why it matters. Describe the gap and why you must urgently address it.

A critical responsibility is deciding which gap requires the most attention, then focusing your analysis on it. Concentrating on too many problems at once can dilute positive results.

To prioritize issues, consider which are the most time-sensitive and mission-critical, followed by which can make stakeholders happy.

3. Analyze Findings with Colleagues

It's essential to work with colleagues to gain different perspectives on a problem and its root causes. This involves understanding the problem, gathering information, and developing a comprehensive analysis.

While this can be challenging when you’re a new organizational leader, using the double helix of leadership —the coevolutionary process of executing organizational leadership's responsibilities while developing the capabilities to perform them—can help foster collaboration.

Research shows diverse ideas improve high-level decision-making, which is why you should connect with colleagues with different opinions and expertise to enhance your root cause analysis’s outcome.

4. Formulate Value-Creating Activities

Next, determine what your company must do to address your organizational challenge statement. Establish three to five value-creating activities for your team, department, or organization to close the performance or opportunity gap you’ve identified.

This requires communicating organizational direction —a clear and compelling path forward that ensures stakeholders know and work toward the same goal.

“Setting direction is typically a reciprocal process,” Margolis says in Organizational Leadership . “You don't sit down and decide your direction, nor do you input your analysis of the external context into a formula and solve for a direction. Rather, setting direction is a back-and-forth process; you move between the value you'd like to create for customers, employees, investors, and your grasp of the context.”

Organizational Leadership | Take your organization to the next level | Learn More

5. Identify Necessary Behavior Changes

Once you’ve outlined activities that can provide value to your company, identify the behavior changes needed to address your organizational challenge statement.

“Your detective work throughout your root cause analysis exposes uncomfortable realities about employee competencies, organizational inefficiencies, departmental infighting, and unclear direction from leadership at multiple levels of the company,” Mayo says in Organizational Leadership .

Factors that can affect your company’s long-term success include:

  • Ineffective communication skills
  • Resistance to change
  • Problematic workplace stereotypes

Not all root cause analyses reveal behaviors that must be eliminated. Sometimes you can identify behaviors to enhance or foster internally, such as:

  • Collaboration
  • Innovative thinking
  • Creative problem-solving

6. Implement Behavior Changes

Although behaviors might be easy to pinpoint, putting them into practice can be challenging.

To ensure you implement the right changes, gauge whether they’ll have a positive or negative impact. According to Organizational Leadership , you should consider the following factors:

  • Motivation: Do the people at your organization have a personal desire for and commitment to change?
  • Competence: Do they have the skills and know-how to implement change effectively?
  • Coordination: Are they willing to work collaboratively to enact change?

Based on your answers, decide what behavior changes are plausible for your root cause analysis.

7. Map Root Causes

The next step in your analysis is mapping the root causes you’ve identified to the components of organizational alignment. Doing so helps you determine which components to adjust or change to implement employee behavior changes successfully.

Three root cause categories unrelated to behavior changes are:

  • Systems and structures: The formal organization component, including talent management, product development, and budget and accountability systems
  • People: Individuals’ profiles and the workforce’s overall composition, including employees’ skills, experience, values, and attitudes
  • Culture: The informal, intangible part of your organization, including the norms, values, attitudes, beliefs, preferences, common practices, and habits of its employees

8. Create an Action Plan

Using your findings from the previous steps, create an action plan for addressing your organizational problem’s root cause and consider your role in it.

To make the action plan achievable, ensure you:

  • Identify the problem’s root cause
  • Create measurable results
  • Ensure clear communication among your team

“One useful way to assess your potential impact on the challenge is to understand your locus of control,” Mayo says in Organizational Leadership , “or the extent to which you can personally drive the needed change or improvement.”

The best way to illustrate your control is by using three concentric circles: the innermost circle being full control of resources, the middle circle representing your ability to influence but not control, and the outermost circle alluding to shifts outside both your influence and control.

Consider these circles when implementing your action plan to ensure your goals don’t overreach.

Which HBS Online Leadership and Management Course is Right for You? | Download Your Free Flowchart

The Importance of Root Cause Analysis in Organizational Leadership

Root cause analysis is a critical organizational leadership skill for effectively addressing problems and driving change. It helps you understand shifting conditions around your company and confirm that your efforts are relevant and sustainable.

As a leader, you must not only effect change but understand why it’s needed. Taking an online course, such as Organizational Leadership , can enable you to gain that knowledge.

Using root cause analysis, you can identify the issues behind your organization’s problems, develop a plan to address them, and make impactful changes.

Are you preparing to transition to a new leadership role? Enroll in our online certificate course Organizational Leadership —one of our leadership and management courses —and learn how to perform an effective root cause analysis to ensure your company’s long-term success. To learn more about what it takes to be an effective leader, download our free leadership e-book .

root cause problem solving lean

About the Author

  • Get Posts Sent via Email
  • Contributors
  • Most Popular
  • Most Commented
  • Lean Comedy
  • Podcast Home
  • Browse Episodes
  • Episode Collections
  • Podcast Home & Subscribe
  • Lean Whiskey
  • My Favorite Mistake
  • Practicing Lean
  • Toyota Kata Podcast
  • Featured Videos
  • YouTube Channel
  • Via MarkGraban.com
  • About Mark Graban
  • About the Blog
  • What is “Lean”?
  • Standardized Work
  • Privacy Tools
  • Healthcare Improvement
  • Lean-Focused Blogs
  • Lean Healthcare Blogs
  • Other Blogs
  • Lean Resources
  • Contact Form
  • Get Posts via Email
  • Mark’s Newsletter

Mark Graban\'s LanBlog.org

Uncovering Root Causes: Beyond the Conference Room – The Lean Approach to Problem Solving

You don't find the root cause of a problem in a conference room.

OK, so we've gotten away from the whiteboard. Now what?

You might not even KNOW the root cause by thinking and talking out where the work is actually being done.

That's one of the most powerful lessons I've learned from former Toyota people I've been able to work with.

“We found the root cause,” somebody might say.

“How do you know?”

“Well, we talked through it,” they might respond.

My Toyota mentors would say that, at best, the team has a “suspected root cause.” It's a hypothesis. A supposition. It's not knowledge.

How do we confirm our suspicion about the root cause or causes? We need to TEST a countermeasure. If we remove the suspected root cause and the problem goes away (or gets significantly better), we might have proven something.

Root cause analysis doesn't end with talking. It starts with talking and must lead to action, which means experiments.

And sometimes those experiments don't work out… we didn't KNOW the root cause after all. So the process continues…

What's your experience with this approach? Have you ever been tripped up by stubbornly “knowing the root cause” and staying on the wrong path too long?

Please add your comment below and/or join the discussion on LinkedIn about this .

Did you like this post? Make sure you don't miss a post or podcast — Subscribe to get notified about posts via email daily or weekly.

root cause problem solving lean

Get New Posts Sent To You

Check your inbox or spam folder to confirm your subscription.

RELATED ARTICLES MORE FROM AUTHOR

 width=

Ryan McCormack’s Operational Excellence Mixtape: September 6, 2024

 width=

Coaching for Continuous Improvement: Lean Leadership Lessons from Sports with Hugh Alley

 width=

When Going to the Gemba Goes Wrong: How to Avoid an Executive Cringe-Fest

This Root cause analysis seems to really fall into the improve phase of the DMAIC where we are actually performing tests and confirming our hypothesis. This also seems like a very trial and error technique. With the your conclusion of “So the process continues…” Is this process applicable if you are not sure of the Root Cause? Or is it better suited to test root causes that have a high probability of being true.

If we are unsure of the root cause but are just going through many tests this would be hard to fully implement. I think using this after further research would be more applicable.

Thanks for reading and commenting, Dane. I guess I was writing in shorthand, sorry about that.

Yeah, I think the process continues if our initial experiments show that we either 1) don’t really understand the root cause the way we did or 2) if our countermeasures weren’t as effective as we had expected.

LEAVE A REPLY Cancel reply

 Yes, email me about new posts, daily!

This site uses Akismet to reduce spam. Learn how your comment data is processed .

EVEN MORE NEWS

 width=

Psychological Safety is the Foundation for Continuous Improvement [Video]

 width=

Starbucks Mobile Ordering Chaos Again: Broken Processes, Inconsistent Service, and Misguided...

 width=

Speaking at the Lean Institute Brazil’s Health Summit — Aided by...

Popular category.

  • Interviews 504
  • Mixtape 147
  • Lean Whiskey 47
  • Lean Blog Interviews
  • Lean Blog Audio
  • Privacy Policy

5 Whys is the practice of asking why repeatedly whenever a problem is encountered in order to get beyond the obvious symptoms to discover the root cause.

For instance, Taiichi Ohno gives this example about a machine that stopped working (Ohno 1988, p. 17):

  • Why did the machine stop? There was an overload and the fuse blew.
  • Why was there an overload? The bearing was not sufficiently lubricated.
  • Why was it not lubricated? The lubrication pump was not pumping sufficiently.
  • Why was it not pumping sufficiently? The shaft of the pump was worn and rattling.
  • Why was the shaft worn out? There was no strainer attached and metal scraps got in.

Without repeatedly asking why, managers would simply replace the fuse or pump and the failure would recur. The specific number five is not the point. Rather it is to keep asking until the root cause is reached and eliminated.

5 Whys Illustrated

The 5 Why Funnel

When to Use the 5 Whys

Management should use the 5 Why problem-solving method with Gap from Standard problems. This is problem-solving that focuses on:

  • specific problem definition
  • setting goals
  • root cause analysis
  • establishment of countermeasures
  • checks, standards, and follow-up activities

The aim is to prevent the problem from recurring by eliminating its underlying causes.

In general, there are three types of root-cause analysis:

  • One-variable-at-a-time (OVAT)
  • Multivariate-at-a-time (MVAT)

No advanced math skills are required for logic-based analysis such as 5 Whys. However, the ability to think critically, especially in terms of inductive logic (broad generalization from specific observation), deductive logic (general premise to specific conclusion), and abductive logic (general observation to hypothesis), is necessary.

Diagram of the three types of root cause analysis

Art of Lean on Problem-Solving Video Series with Art Smalley

root cause problem solving lean

Take a deep dive into problem-solving in this eight-part video series by expert Art Smalley.

  • Coaching Problem-Solving
  • Lessons from NBA Coaches
  • Lessons from Martial-Arts
  • Military and Science Leadership
  • Tuckman’s Model of Team Formation
  • Team-Building Tools and Practices
  • Dreyfus Model and Stages of Learning
  • Toyota Coaching Practices

Additional Resources

  • Gemba Coach: 5 Whys
  • Approaching Problem-Solving More Effectively
  • Change Your “Pet” Problem-Solving Method

See: Kaizen ; Plan, Do, Check, Act (PDCA)

Privacy Overview

lls-logo-main

Guide: 5 Whys

Author's Avatar

Author: Daniel Croft

Daniel Croft is an experienced continuous improvement manager with a Lean Six Sigma Black Belt and a Bachelor's degree in Business Management. With more than ten years of experience applying his skills across various industries, Daniel specializes in optimizing processes and improving efficiency. His approach combines practical experience with a deep understanding of business fundamentals to drive meaningful change.

5 Whys is a problem-solving technique used to get to the root cause of problems by asking the question of Why multiple times, but often 5 times giving it the name “5 Whys”. This allows people to address the root cause of issues instead of the symptoms of the root causes which is often what is seen as the problem. 

Like a doctor diagnosing an issue such as neck pain, a painkiller will only address the symptoms of the neck pain and not the root cause of the pain. By getting to the root cause you can ensure a long-term fix to the root cause of the neck pain which could be caused by seating positions and not taking painkillers which is a short-term fix.

What is the 5 Whys?

The 5 Whys is a root cause analysis problem-solving technique that aims to identify the root cause of a problem by repeatedly asking the question “Why?” five times or until the core issue is unveiled. Developed within the Toyota Production System , it’s one of fundamental tools in the Lean Six Sigma methodology.

Here’s how it works:

  • Begin with a clear and concise problem statement.
  • Ask “Why?” the problem occurred. Document the answer.
  • If this answer doesn’t identify the root cause, ask “Why?” again and document the subsequent answer.
  • Continue this process until you’ve either asked “Why?” five times or the root cause has been identified.

5 Whys Root Cause

Lets go through an example, let’s say a machine stopped working:

  • Why? – The machine’s fuse blew.
  • Why? – The machine was overloaded.
  • Why? – There wasn’t adequate training on machine capacity.
  • Why? – Training materials were outdated.
  • Why? – There’s no review process for updating training materials.

In this case, the root cause is the lack of a review process for training materials, and addressing this will prevent similar issues in the future. Only treating the symptom in this situation would have been to change the fuse, for it then to regularly blow and cause additional downtime.

This is a good example where a machine stopping working’s root cause is cause by an issue what would not be obvious is first glace at the symptom of the problem and provides a clear example that root cause analysis is important to ensure that solutions are not jumped to before a through root cause analysis is conducted. 

root cause problem solving lean

Why is the 5 Whys Important?

Understanding the 5 Whys is important because identifying symptoms of a problem is not the same as uncovering its root cause. If you only address symptoms this provides only temporary solution to the problem. However, understanding and resolving the root cause can prevent the issue from reoccurring.

The 5 Whys Problem-Solving technique is also useful for:

  • Problem Prevention: By identifying the root cause of the problem, businesses can implement long-term solutions, leading to more robust systems and processes and prevent the problem reoccurring.
  • Cost-Efficiency: Addressing root causes is often more cost-effective in the long run as it prevents recurrence and the associated costs of repeated problem-solving which usually involves the same people constantly firefighting the same issues such as repeated machine breakdowns.
  • Improved Processes: Regular use of the 5 Whys to identify the root causes of problems can highlight weaknesses in processes, leading to continuous improvement and optimization processes.
  • Empowerment: The use of 5 Whys by individuals a positive culture that promotes a deeper understanding of systems and processes, empowering teams to take ownership and responsibility in addressing issues.

How to Conduct a 5 Whys Root Cause Analysis?

Step 1: define the problem.

This is an important step as if the problem is not defined effectively it could result in focusing in the wrong problem. A good method for this could be to use the 5W1H Is/Is Not Problem solving technique to gain a common understanding of that the problem is.

When stating the problem you are going to conduct a 5 Whys on it is important to be specific about the issue and avoid ambiguous descriptions. Additionally, where data and information is available this should be collected and used as evidence that points to the actual problem rather than opinions of the problem. 

Step 2: Ask the First “Why?”

Now you have a clear problem definition you should ask the question “Why did that happen?” This should be done to understand the problem without making assumptions and should be done with supporting facts and data that backs up the initial answer to the question.

Step 3: Continue to Ask Why?

Now you should have an answer to the first why. This should form the next step and ask why did that happen. This ensures you dont settle for the inisital surface-level answer or symptoms of the real problem and pushes you to understand the underlying issues.

When you continue to ask why you should:

  • Continuously question the previous answer
  • Challenge answer that seem like assumptions and lack evidence to support them to avoid going down the wrong route. 

Step 4: Continue the Process

  • Keep the questioning focused on the problem
  • If you feel the questioning is going off track revert back to what the initial problem definition.
  • Ensure each answer provided logically leads to the next “Why?”
  • The 5 Whys process then concludes when further questions leads to no further valuable answers are given or the when the root cause of the issues becomes clear.

Step 5 Implement Solutions

Once you have identified the root cause the you need to address it by implementing a solution to prevent the problem reoccuring.

This should be a case of developing an actionable solution that address the root cause of the issue and not preventing the symptoms as addressing the symptom will likely cause the issue to reappear elsewhere.

Make sure you test the solutions to ensure they are effective in addressing the root cause, you should then continue to monitor the process over time to confirm the problem did not reappear in the same place or elsewhere.

If the problem does not re appear congratulations you have solved the problem!

An Example of 5 Whys Analysis

Below is a good example of a 5 Whys analysis done in a situation where there was a production downtime.

5 Whys Corrective and Preventive Actions Lean Six Sigma Tools Example of a 5 whys analysis bening done on production down time

To summarize, the 5 Whys process is an effective problem-solving tool that can assist businesses in identifying the root cause of a problem and developing effective solutions. Teams can delve deep into underlying issues and develop targeted solutions that address the root cause of the problem by asking “why” multiple times.

The five steps of the 5 Whys process – defining the problem, asking “why” once, asking “why” more times, developing a solution, implementing the solution, provide a clear framework for problem-solving and can help ensure that the problem is effectively resolved. The 5 Whys process encourages teams to think critically and systematically, resulting in long-term solutions that are effective, targeted, and sustainable.

  • Benjamin, S.J., Marathamuthu, M.S. and Murugaiah, U., 2015. The use of 5-WHYs technique to eliminate OEE’s speed loss in a manufacturing firm.   Journal of Quality in Maintenance Engineering ,  21 (4), pp.419-435.

A: The 5 Whys technique is a problem-solving method that involves asking “why” multiple times to uncover the root cause of a problem or issue.

A: The 5 Whys technique involves repeatedly asking “why” to identify the underlying cause of a problem. After asking “why” five times or until the root cause is revealed, you can develop effective solutions to address the issue.

A: The primary purpose of the 5 Whys technique is to identify and address the root cause of a problem. It helps organizations and individuals go beyond surface-level symptoms and understand the deeper issues affecting their processes or systems.

A: The 5 Whys technique is best used when you encounter a problem or issue that needs to be resolved. It is particularly useful for complex problems, recurring issues, or situations where multiple factors contribute to the problem.

A: Yes, the 5 Whys technique can be applied to any industry or field. It is commonly used in manufacturing, engineering, healthcare, software development, project management, and various other sectors.

A: While the technique is called the “5 Whys,” the number of “whys” you need to ask may vary. The goal is to keep asking “why” until you reach the root cause of the problem, which may require more or fewer than five iterations.

A: Yes, there are a few limitations to consider when using the 5 Whys technique. It relies on the skill and knowledge of the people involved, and it may oversimplify complex problems. Additionally, it assumes a linear cause-and-effect relationship, which may not always be accurate.

A: Yes, the 5 Whys technique can be used in a group setting. In fact, involving multiple perspectives can enhance the effectiveness of the technique and lead to more comprehensive problem-solving.

Picture of Daniel Croft

Daniel Croft

Hi im Daniel continuous improvement manager with a Black Belt in Lean Six Sigma and over 10 years of real-world experience across a range sectors, I have a passion for optimizing processes and creating a culture of efficiency. I wanted to create Learn Lean Siigma to be a platform dedicated to Lean Six Sigma and process improvement insights and provide all the guides, tools, techniques and templates I looked for in one place as someone new to the world of Lean Six Sigma and Continuous improvement.

Download Template

5 Whys

Free Lean Six Sigma Templates

Improve your Lean Six Sigma projects with our free templates. They're designed to make implementation and management easier, helping you achieve better results.

Was this helpful?

Lean Six Sigma Training Certification

6sigma.us

  • Facebook Instagram Twitter LinkedIn YouTube
  • (877) 497-4462

SixSigma.us

How to do Root Cause Analysis? Everything You Need to Know

March 4th, 2024

Performing a root cause analysis is an invaluable problem-solving tool for any organization. At its core, root cause analysis (RCA) aims to uncover why issues arise by systematically evaluating contributing factors.

Once the underlying causes behind these problems are understood, teams can not only address the immediate symptoms but also take proactive preventative measures for the long term.  

Utilizing a data-driven methodology, root cause analysis gets to the bottom of quality, reliability, safety, and process inefficiencies.

By figuring out the true roots instead of just the obvious proximal causes, you diagnose the real reasons defects emerge, errors happen, failures occur or goals aren’t met.

The goal extends beyond resolving a one-time incident – it’s about fixing systemic gaps to avoid repeated future stumbles while continuously improving performance.

What is Root Cause Analysis?

Root cause analysis (RCA) refers to a set of approaches leveraged to uncover the underlying explanatory factors or root causes behind problems. Essentially, RCA provides a structured investigation process for identifying the true sources from which issues emerge in systems, products, workflows, or outcomes.

Whereas our instinct is often to address the most visible or proximate causes behind defects, errors, or negative events, root cause analysis deliberately digs deeper.

RCA diagnosis traces behind the symptoms to the source inputs, process weaknesses, and capability gaps giving rise to those surface-level problems.

This tracing back from consequence to cause requires analyzing the interconnected relationships within a system to find originating triggering points upstream where sustainable solutions can be targeted.

Goals of Performing Root Cause Analysis

Image: RCA Processes

There are three overarching goals fueling investments in root cause analysis initiatives:

Identify Underlying Problems

The foremost objective is to systematically diagnose the fundamental breakdowns or gaps responsible for the manifestation of issues.

As opposed to only compiling a list of contributing factors or observable indicators, RCA pursues the identification of the truly originating root deficiencies being tapped as the problem’s supply source.

Take Corrective Action  

The second purpose is to facilitate solution development targeting root causes for resolution.

Armed with insights linking specific deficiencies to negative outcomes, corrective interventions can be scoped to strategically address the problem’s inputs rather than applying superficial Band-Aids to outputs.

Investing in fixing root drivers substantially increases the soundness and sustainability of corrective actions taken.

Prevent the Recurrence of Issues

Lastly, the ultimate motivation is the prevention of issue recurrence through eliminating or controlling the root sources.

By remediating root causes and monitoring to confirm resolution, RCA strengthens system reliability and performance to avoid repeated failures manifesting in the future.

Hence required effort for rework decreases as problems stemming from the same unchecked root weaknesses cease to persist.

Steps for Conducting Root Cause Analysis

When executing a root cause analysis, there is an overall investigatory process containing key phases to follow for orderly problem diagnosis .

Walking through these main RCA steps lends structure to facilitate systematic root cause identification.

They provide foundational guidelines while deploying the specialized root cause analysis tools and methodologies covered later.

Define the Problem  

The first step when approaching any root cause analysis is to clearly articulate the problem you aim to address. This includes accurately describing the issue’s observable characteristics and quantifying the impacts witnessed thus far.

Define Specific Symptoms

Closely detail what is going awry to precisely scope the problem. Document factual indicators tied directly to performance shortfalls rather than vague hunches something is amiss. Quantify discrepancies between expected versus actuals. Capture failure modes . Outline errors committed or protocol breaches. Log quality defects surfacing. Probe to gather data-backed specifics.  

Understand Current Impacts

Quantify how these presenting symptoms translate into tangible setbacks. Connect observable indicators back to resulting consequences like goals underachieved, costs incurred, risks introduced, and other impacts.

Dimension the scope of influence including breadth across the customer base, affected product lines, or process phases. Demonstrate why solving this problem merits prioritization based on the depth of existing impacts.

Solid problem definition focusing on the analysis ultimately determines how effectively root causes will be found.

An accurate statement captures factual symptom patterns plus impact measurables tied to those reliability, quality, or performance defects witnessed.

That evidential grounding seeds direction for the data gathering and causal evaluation ahead.

Gather Information & Data

With a well-defined problem statement guiding the root cause analysis, attention next turns to gathering contextual input and evidence associated with the issue.

Create a Timeline of Events  

Work backward chronologically to chart out key events preceding and proceeding with observable defect occurrences . Capture operational data, process logs, related audit records, and other artifact sources to reconstruct event sequences.  

Consider perspectives like:

When exactly did defect indicators initially surface? Under what conditions or phase activity? After what system, input, or human touchpoint? Any correlative or high probability causal associations?

Seeking process flow understanding, catalog multi-tiered sequences of events, including upstream supplier activities, to identify potential propagation pathways giving rise to defects.

Document Contributing Factors

Beyond driving process factors and event chronologies, also gathers ancillary variables that likely influence or contribute to issue occurrence even if not as primary drivers. Consider documentation, insights from staff interviews, related incidents, past mitigation actions, and other clues that shed light.

Record as many hypothesized contributing factors as possible early on. This compilation supports connecting the dots during causal analysis without prematurely dismissing the potential relevance of surrounding variables.  

Through compiling events data and rounding out clues, these background informative sources feed into the causal analysis techniques to next diagnose just what latent weaknesses propagate or allow these problems to keep resurfacing.

Identify Causal Factors

With foundational information gathering completed, the next phase applies analytic techniques to start unraveling contributory causal linkages tied to the focal problem.

A diversity of root cause analysis tools can methodically assess hypotheses on factor interdependencies.

Use Analysis Tools Like 5 Whys and Fishbone Diagram

Structured brainstorming combined with visual mapping formats help investigates the likelihood of causal relationships across documented contributing variables and process flow events. For example:  

– The 5 Whys approach sequentially probes with “why” questions to follow explanatory chains probing closer to root causes.

– Fishbone diagrams visually organize causal factors under typical categorical influence dimensions like manpower, machinery, materials, methods, and more.

These analysis tools support rooting out key drivers versus ancillary variables amongst the stack of hypothesized factors initially compiled.  

Determine Relationships Between Factors  

Beyond naming factors, RCA analysis seeks to assess interrelationships – which elements potentially influence other elements either directly or in relayed sequences.

This mapping of connections across current state process steps, inputs, human decision points, and other variables constructs the pathway model of how certain vital few deficiencies propagate to enable the ultimate problem manifestation.

Solid analysis output accounts for factor likelihood and strength of relationships across the mapped flow.

Statistical, experiential, and consensus estimation techniques help qualify those key linkages for further root cause assessment.

Pinpoint the Root Cause(s)  

Having constructed a relationship model across contributing variables and process flow events, attention hones in on tracing the originating root causes behind the mapped issue. This diagnostic phase isolates the vital few originating causes to target for correction.

May Be Multiple Root Causes

Especially for complex problems, multiple root failure points may independently or jointly propagate deficiencies tied to the end observable defect. Isolate multiple contributing root causes rather than stopping at just one initial discovery.

Distinguish Between Causal Factors

When analyzing to pinpoint the deepest root sources, it is critical to differentiate causal factors from root causes.

Causal factors directly contribute to the problem but are not the underlying deficiencies enabling the causal chain.

True root causes originate upstream as the vital inputs or process weaknesses initiating the downstream consequence cascade.

Confirm root cause isolation by assessing if its resolution would eliminate the issue while simply addressing each causal factor alone would not resolve the problem long term.

This testing of whether fixed roots would break the failure sequence helps verify root cause validity for targeted corrective action ahead.

Implement Preventative Solutions

With verification of the root factors enabling the business problem’s occurrence, attention lastly turns to enacting changes to address exposed deficiencies for prevention.

Develop a Corrective Action Plan

Define a project plan oriented around enhancing control of the vital root inputs or strengthening process elements to minimize propagation likelihood going forward. Corrective actions directly target diagnosed deficiencies rather than applying generalized fixes.

Attach owners driving execution of enhancements like input specification improvements, adding process controls , capability development interventions, technology system changes, and more as tied to root issue resolutions.

Allocate Resources

Determine appropriate budget, staffing, infrastructure, and stakeholder access supports to facilitate execution against planned corrective initiatives. Resource design elements of the improvement plan for priority consideration.

Assign Responsibilities

Designate owners to carry through and sustain fixes critical for remediating diagnosed root weaknesses.

Assign subject matter experts tailored to focus areas like procurement, quality assurance, data analytics, applications, and more.

Maintain accountability via governance check-ins to validate containment of root factors enabling the original business problem faced.

Getting ahead of problems requires getting beyond just reactive firefighting. Root cause analysis provides an alternate mindset and procedural approach to transform from responsive defense to reliable prevention.

Leveraging the steps outlined transforms troubleshooting guesswork into solid problem diagnoses for impactful corrections that stick.

Tools for Root Cause Analysis

While the root cause analysis steps provide an overarching process, there are also many specific tools and techniques leveraged by practitioners to enable effective problem diagnosis .

These methodologies lend rigor and an evidence-based lens guiding productive analysis execution.

No one-size-fits-all tool exists as finding root causes encompasses a toolkit approach aligning techniques to problem complexity, organizational maturity , and analytics staff capabilities.

A variety of options cater better to deductive versus inductive analysis styles. Certain tools simplify tackling human versus process-driven deficiencies.

Below we will describe some of the most popular and impactful options as an introductory sampling of root cause analysis tooling available to drive actionable findings.

Looking across the techniques, common elements like visual mapping combined with iterative questioning enable unraveling factor connections. Statistics quantitatively point toward viral variables.

While no single method will perfectly fit every business environment, evaluating options against internal needs allows customizing an RCA toolbox for repeating success.

Let’s look at how to use 5W , fishbone diagram , fault tree , etc. to run a Root Cause Analysis.

5 Whys Technique

The 5 Whys approach represents one of the simplest root cause analysis tools, asking “why” iteratively to trigger deeper-dive brainstorming on contributory factors. By sequentially questioning “why” around five times, analysis can often get to root causes efficiently.

Ask “Why” Questions Iteratively

Image: 5W Methodology

Start with the problem indicator as documented. Ask why it is occurring. For the explanation received, again ask why regarding that reason.

Continue asking why around five+ times until reaching a root originating cause rather than just symptoms or intermediate factors.

The key is not stopping at superficial responses. Use follow-on probing around systemic relationships to get beyond guesswork into sourcing vital causal inputs behind issues. Answer chains build an explanatory logic trail.

Fishbone Diagram

Image: Fishbone Analysis - RCA (Root Cause Analysis)

The fishbone diagram compiles a visual catalog of causal variables for organized analysis facilitating potential root cause identification.

As factors accumulate and interrelate in complex ways, this format supports assessment efficiency.  

Visually Map Causal Factors

Fishbone diagrams provide an intuitive visual roadmap of multiple categories of influencing factors like materials, machinery, staffing, and methods.

This organization into standard dimension groupings eases assessing angle applicability to the issue context. Breaking down by factor type combined with team discussion aids in root cause emergence.

Fault Tree Analysis

Images: Fault Tree Analysis - RCA (Root Cause Analysis)

Fault Tree Analysis offers a structured deductive approach applying boolean logic for disciplined qualification of factor likelihood and interconnectedness to narrow resolving power onto root causes.

Deductive Root Cause Analysis

In a fault tree diagram, the undesired state requiring diagnosis sits at the top. Sub-branches then visually map how that state could logically occur based on combinations of certain lower-level events and conditions using “AND” and “OR” logical operators.

Walking through documented branches and assessing the likelihood of reaching originating root factors at the base of the tree provides evaluation rigor.

Fault tree branches knocked out via factor improbability allows deductively focusing in on the active root causes behind an issue.

Failure Mode & Effects Analysis (FMEA)

Failure Mode and Effects Analysis offers an anticipatory approach to risk analysis applied for early identification of vulnerabilities permitting problems before they emerge. It statistically quantifies criticality toward issues to guide control priorities.  

Image: FMEA analysis - RCA (Root Cause Analysis)

Predictive Identification of Failures

Potential failure modes are hypothesized along with estimating their likelihood to manifest and the severity of impact if occurring. A risk priority number mathematically combining probability and consequence severity indicates the highest priority vulnerabilities for proactive mitigation efforts.

FMEA analysis flows through these steps:

  • Documenting process flows and system design specifications.
  • Cataloging where and how failure could theoretically occur.
  • Rating probability and severity estimates for each failure mode.
  • Calculating weighted risk priorities steering mitigation targeting.
  • Developing controls and contingency responses aligned to top risks.

Getting ahead of downstream issues, FMEA provides an alternate lens complementary to retrospectively investigating executed failures through other root cause analysis approaches.

It serves prevention needs rather than just diagnosis for organizations’ maturing quality system reliability and performance benchmarks.

Applications of Root Cause Analysis

While originally pioneered in industrial environments, root cause analysis has expanded across functions from product design through end-user support to unlock business performance, operational efficiency, and continuous improvement advances.

Root cause analysis seamlessly integrates into Lean Six Sigma cultures demonstrating infrastructure capabilities enabling reliable prevention. However, any organization in search of elevating standards, systematizing enhancements, or diagnosing tricky recurring issues can benefit from instituting RCA capabilities.

Manufacturing & Quality Control

Eliminating waste while improving quality, safety, and delivery benchmark attainment all require understanding vital causes behind unacceptable variation. RCA offers manufacturing analytics to optimize flow.

Reduce Defects & Waste

Learn why rejection and rework rates fail to meet control standards. Identify source impurities decreasing yield. Discover where bottleneck throughput lags emerge. Optimize prevention resources against diagnosed vital few equipment failure modes. Get to root design weaknesses prompting field failures.

RCA provides manufacturing analytics illuminating upstream process vulnerabilities and product robustness gaps that quality engineers can re-engineer to reduce downstream waste. The evidence-based insights fuel continuous improvement prioritization essential for operational excellence.

Software Development

IT leaders applying root cause analysis to diagnose tricky software defects optimize quality assurance. Pinpointing true error triggers versus symptoms provides effective resolutions by seasoned developers.

Bug Tracking and Resolution

Applying investigative questioning around runtime errors and customer-reported issues provides clarity to trace back through requirements, architecture, and code base vulnerabilities introducing those bugs. Similarly, managing outages and performance degradations benefits from RCA lifting the hood on dependencies and resource contention under the covers.

Business Process Improvement

Every business leverages processes crossing functional teams, underlying technology, and spanning external partners. Root cause analysis gifts a microscope to optimize flow efficiency, reliability, and experience.

Identify Process Inefficiencies

Document as-is workflow steps, decision points, and outputs. Measure improvement needs around cycle time, work transfers, rework loops, constraints impacting costs or service levels, and roadblocks frustrating customers. Construct current state process maps highlighting pain points.

Conduct RCA to diagnose root design, capability, and capacity gaps disadvantaging flow. Re-engineer based on evidence vs. assumptions alone.

From manufacturing shop floors to software quality assurance to overall business productivity, root cause analysis crosses functions to drive operational gains.

RCA provides insights to strengthen the weakest links recognized across integrated processes and systems that compromise broader performance.

Best Practices   

While the methods and tools empower root cause analysis execution, real-world success also depends on engagement, analysis, and implementation excellence.

Various best practices should be fostered around the people, process, and leadership elements involved with RCA.

Involve Cross-Functional Teams

Gathering a diversity of experts across functions touched by the problem to be diagnosed provides analytical breadth bolstering findings. Cross-functional collaboration harnesses different vantage points, experiences, and expertise to enrich RCA direction and outcome integrity.

Harness Different Perspectives

Multidisciplinary participation facilitates a well-rounded understanding of the current state, ideas on latent improvement opportunities, and balanced decision-making interpreting causes.

Consistent involvement across phases also strengthens buy-in critical for solution adoption success downstream.

With a breadth of lenses applied, creative identification of root causes overlooked otherwise comes to light.

Expanding beyond just technical leads or coaches facilitating RCA, hands-on participation across the various functions interfacing with the process or system under review will enhance analysis productivity and solution integrity.

Such collective ownership through the root cause journey propagates engagement critical for executing against recommended enhancements as well.

Create Blameless Culture

Effectiveness finding actual root causes relies on an environment promoting open transparency rather than fear of retribution. When people feel psychologically safe to share knowledge of vulnerabilities, higher quality analysis unfolds.

Encourage Transparency About Problems

Leaders must nurture a “blameless culture” where the focus stays on collective learning rather than targeting culpability.

Model inquisitive questioning, acknowledge contributions, and recognize success in uncovering insights. Establish RCA as an ongoing collaboration operating across functional boundaries.

Proactive sharing accelerates and enhances analysis, whereas environments allowing blame induce hiding failure observations essential for follow-on diagnostics.

Focus on True Root Causes

The end objective focuses on remediating deficiencies at originating sources instead of addressing symptoms alone. Repeatedly confirmed analysis dives deeper beyond the superficial factors initially evident.

Don’t Just Address Superficial Factors

Guard against analysis stagnation at intermediary contributors versus tracing further upstream toward vital root causes.

Leaders should constantly calibrate direction to pursue root factors that if remedied would prevent issue recurrence as the litmus test qualifying properly scoped RCA.

The core principles empowering successful root cause analysis encompass engagement models promoting transparency rather than fear while enabling deep analytic rigor refusing to settle on surface causes.

Adhering to these foundational practices pays dividends with more impactful insights and solution implementation.

Key Takeaways on How to do Root Cause Analysis

Root cause analysis provides a vital capability for any organization seeking to move beyond reactive firefighting toward reliable prevention.

While requiring investment and competency development, proficiency in paying RCA dividends emerges across operational efficiency, quality, customer experience, and financial performance outcomes.

RCA Helps Diagnose and Prevent Recurring Issues

Whether tackling sporadic issues or systemic defects, RCA gifts objective precision guiding corrective enhancements aligned to true underlying failure points.

The evidence-based analytical approaches uncover root causes that if remediated proactively contain issue recurrence likelihood.

The foundational overview shared introduces what , why , and how regarding root cause analysis. Several next milestone steps merit consideration for instituting RCA practices tailored to your organization’s needs.

Implement RCA Methodology Tailored to Your Needs

  • Build Leadership Alignment: Confirm executive support to foster an engagement model and allocate resources enabling RCA productivity as a priority capability.
  • Launch Training: Develop skilled practitioner depth across functions in RCA tools from visual mapping techniques like fishbone diagrams to statistical methods like FMEA while constructing an optimal toolkit mix.
  • Standardize Governance: Define policies and collaborative forums providing oversight, best practice sharing, efficiency optimizations, and corrective action accountability across the RCA lifecycle.
  • Start Small, Demonstrate Quick Wins: Pilot RCA diagnosis and solution implementation for an important business issue to showcase capability value realized.

Root cause analysis success requires work – from leadership, staff skill development, and process adoption. However, embracing RCA thinking and methods delivers a multiplier effect on operational gains to continue building competitive advantage.

Now is the time to get started or expand your RCA journey !

The root cause analysis is a very helpful process in understanding as well as finding solutions to the problem. These indispensable tools will help you conduct this process more efficiently.

Stop by and contact us at 6Sigma.us and find out how we can positively help you plan and change the culture and operations of your organization. We offer Six Sigma Green Belt and Six Sigma Black Belt   training programs, as well as a Master Black Belt program.

SixSigma.us offers both Live Virtual classes as well as Online Self-Paced training. Most option includes access to the same great Master Black Belt instructors that teach our World Class in-person sessions. Sign-up today!

Virtual Classroom Training Programs Self-Paced Online Training Programs

SixSigma.us Accreditation & Affiliations

PMI-logo-6sigma-us

Monthly Management Tips

  • Be the first one to receive the latest updates and information from 6Sigma
  • Get curated resources from industry-experts
  • Gain an edge with complete guides and other exclusive materials
  • Become a part of one of the largest Six Sigma community
  • Unlock your path to become a Six Sigma professional

" * " indicates required fields

IMAGES

  1. Lean Root Cause Analysis (RCA) Problem Solving (PowerPoint) Slideshow

    root cause problem solving lean

  2. How to Perform a Root Cause Analysis in Problem Solving

    root cause problem solving lean

  3. 5 Why: Root Cause Analysis in Lean Construction

    root cause problem solving lean

  4. A3 Practical Problem Solving

    root cause problem solving lean

  5. Root Cause Problem Solving, the heart of Lean Transformation

    root cause problem solving lean

  6. PPT: Lean Root Cause Analysis (RCA) Problem Solving (111-slide PPT

    root cause problem solving lean

VIDEO

  1. L2L Tips and Tricks

  2. What Are The 5 Why's Of Selling

  3. Don't Solve the Problem You're Asked to Solve..!!!

  4. 5 WHY ANALISA MENCARI ROOT CAUSE

  5. 5 Ways to Create a Lean Six Sigma Culture (To Improve Business Performance)

  6. Exploring 4 Key Continuous Improvement Methodologies (For Beginners)

COMMENTS

  1. Guide: Root Cause Analysis

    Learn how to use Root Cause Analysis (RCA) to identify and solve the underlying issues behind problems. Explore different methods and tools, such as Fishbone Diagram, 5 Whys and FMEA, with examples and guides.

  2. Problem-Solving

    Learn how to engage everyone in ongoing problem-solving that is based on verifiable facts and guided by four types of problems: troubleshooting, gap from standard, target condition, and open-ended. Explore the process and methods of lean problem solving to overcome obstacles and improve work processes.

  3. DMAIC

    DMAIC is the problem-solving approach that drives Lean Six Sigma. It's a five-phase method for improving existing process problems with unknown causes. Learn how to apply DMAIC to select a good project, define the problem, measure the performance, analyze the root causes and control the improvement.

  4. A Step-by-Step Guide to A3 Problem Solving Methodology

    A3 Problem Solving is a structured and systematic approach to problem-solving that originated with the lean manufacturing methodology. It uses a one-page document called an A3 report to visualize the problem-solving process and improve communication, decision-making, and efficiency.

  5. Clarifying the '5 Whys' Problem-Solving Method

    Clarifying the '5 Whys' Problem-Solving Method. This brief animation offers a detailed explanation of one way to discover a problem's root cause. To help lean thinkers apply this powerful approach to overcoming work obstacles, LEI Senior Advisor John Shook guides lean thinkers through a detailed example from Taiichi Ohno's Toyota ...

  6. Guide: Problem Solving

    A: The problem-solving process involves several key steps: identifying the problem, defining it clearly, analyzing it to understand its root causes, generating a range of potential solutions, evaluating and selecting the most viable solution, implementing the chosen solution, and finally, reviewing and reflecting on the effectiveness of the ...

  7. Fishbone Diagram: Finding the Root Cause of a Problem

    Learn how to use a Fishbone Diagram, also known as a Cause and Effect Diagram, to identify and categorize potential causes of a problem. See examples, advantages, disadvantages, and how to integrate it with the 5 Whys technique.

  8. 5 Whys

    The model follows a very simple seven-step process: [1] 1. Assemble a Team. Gather together people who are familiar with the specifics of the problem, and with the process that you're trying to fix. Include someone to act as a facilitator, who can keep the team focused on identifying effective countermeasures. 2.

  9. The 5 Whys of Lean

    Learn how to use the 5 Whys of Lean, a simple yet powerful analysis technique to identify the root cause of a problem and find a sustainable solution. See examples of how the 5 Whys can help Lean teams in manufacturing, software development, and project management.

  10. Unlock the Power of 5 Whys: Root Cause Analysis Made Easy

    Learn how to use the 5 Whys technique, a simple yet powerful method for finding the root cause of any problem and implementing effective solutions. See examples, templates, and steps for applying the 5 Whys in Lean management and continuous improvement.

  11. Root-cause problem solving in the Ops 4.0 era

    RCPS is a lean management method to identify and solve problems effectively and sustainably. Learn how Ops 4.0 technologies can enhance RCPS performance in five elements: problem identification, root cause assessment, solution design, testing, and sharing.

  12. Root Cause Problem Solving

    Through this a company detects the real source of the problem and stops it before it gets worst and spreads to other areas of the organization. Lean Masters uses a Practical Problem Solving (PPS) process to find the root cause of the problem and applies a permanent countermeasure to stop it. With our Root Cause Problem Solving Training we help ...

  13. The 5 Whys Of Lean For A Root Cause Analysis

    The 5 Whys method is carried out by arranging meetings right after a problem has been encountered by the company. The problem can belong to multiple categories - it can be a development error, missed schedules, marketing campaign failure, or a site outrage. Whenever something undesired comes up, you can use this process for analyzing the root ...

  14. 8D Problem Solving: The Key to Effective Root Cause Analysis

    The goal of 8D Problem Solving is to identify the root cause of a problem and implement corrective actions to keep it from happening again. The 8D process is flexible and adaptable, allowing it to be applied to a wide range of problems and industries. One of the most significant benefits of 8D Problem Solving is its team-based approach.

  15. Root Cause Analysis with 5 Whys Technique (With Examples)

    Learn how to use the 5 Whys Technique, a method that involves asking "why" five times to uncover the root cause of a problem. See examples, tips, and benefits of using a 5 Whys template for process improvement.

  16. Root Cause Analysis: Definition, Examples & Methods

    Learn how to discover and fix the underlying causes of problems using root cause analysis (RCA), a process of systematic inquiry and improvement. See common techniques such as 5 Whys, change analysis, and event analysis with examples and tips.

  17. Root Cause Analysis: What It Is & How to Perform One

    Learn how to identify and solve problems in your organization using root cause analysis, a process of articulating problems' causes to suggest specific solutions. Follow eight steps to perform a root cause analysis and map the root causes to the components of organizational alignment.

  18. Uncovering Root Causes: Beyond the Conference Room

    If we remove the suspected root cause and the problem goes away (or gets significantly better), we might have proven something. Root cause analysis doesn't end with talking. It starts with talking and must lead to action, which means experiments. And sometimes those experiments don't work out… we didn't KNOW the root cause after all.

  19. Guide: A3 Problem Solving

    A3 Problem Solving is a Lean Six Sigma methodology to identify, analyze, and solve complex business problems in a logical and structured process. Learn the 6 steps of A3, including containment actions to limit or eliminate the problem in the short term.

  20. Lean Problem Solving: Root Cause Analysis and Countermeasures

    When do you use Five Why's versus a Fishbone Diagram? Lucy interviews Lean guru Raffy Lee from the U.K. for the second time. Raffy talks about the process...

  21. 5 Whys

    5 Whys is a problem-solving method that asks why repeatedly to find the root cause of a problem. Learn how to use 5 Whys with examples, illustrations, and related terms.

  22. Guide: 5 Whys

    5 Whys is a root cause analysis method that asks why a problem occurred five times or until the core issue is identified. It helps to prevent symptoms and address the root cause of problems in a systematic and cost-effective way.

  23. How to do Root Cause Analysis? Everything You Need to Know

    Learn the definition, goals, steps, and tools of root cause analysis (RCA), a problem-solving method to identify and address the underlying causes of issues. Follow the structured process of defining the problem, gathering information, identifying causal factors, and determining relationships to improve performance.