Free 5 Why Analyzer (Root Cause)
Capture a clear problem statement, walk five “why” steps in order, and export a clean PDF for reviews or corrective action packages.
Start your 5 Why analysis
Try the example to see a finished chain, or start blank with your own issue.
Write what is wrong in concrete terms so everyone agrees on the gap before you ask “why.”
Each answer should explain the previous step. Stay curious — push past the first plausible story.
Summarize the likely root cause and next verification or countermeasure, then export PDF for your records.
What is a 5 Why analysis?
The 5 Whys is one of the fastest ways to move from a visible symptom to a cause you can actually do something about. It is not a substitute for data when stakes are high — but it is an excellent way to align a team, surface assumptions, and decide what to verify next.
In Lean and continuous improvement, 5 Whys often pairs with gemba observation, standard work checks, and layered audits. Many teams capture the chain on an A3, in an 8D, or in daily tier meetings before committing resources to a fix.
Frequently asked questions
What is the 5 Whys method? +
The 5 Whys is a simple root-cause technique: you state a problem and repeatedly ask “why?” until you reach a deeper cause. It is widely used in Lean, Six Sigma, and operational problem solving to move from symptoms to addressable causes.
Do I have to stop at exactly five whys? +
Five is a guideline, not a rule. Some issues need fewer questions; complex issues may need more. This tool uses five steps so you have a consistent worksheet for reviews and PDF export.
What makes a good “why” answer? +
Good answers are specific, factual, and tied to the previous step. Avoid blame (“because someone was careless”) and aim for observable causes you can verify with data or a quick check.
Can I use this in a team meeting? +
Yes. Share your screen, fill it in together, then export PDF for meeting notes or an A3 / 8D appendix.
Do I need an account? +
No. Use the tool in your browser. An email is only requested if you export PDF after your complimentary export on this device.
Bring your root-cause chain into a short session. We will help you stress-test it and show how Kanrix connects problems, KPIs, and countermeasures in one system.
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