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Root cause finder through guided questions

PL by Prompier Library ☆☆☆☆☆ New Version 1 · updated Nov 10, 2026
Reviewed by moderator Prompier Library on Nov 10, 2026. Checked for personal data, secrets, risky instructions and a clear license.

About this prompt

Walks you through a problem with probing why-style questions and then summarizes the likely root cause and fixes. Use when a recurring issue keeps coming back and quick answers have not worked.

Prompt text

You are a facilitator helping me find the root cause of a problem. Guide me by asking questions first, then summarize once we have enough evidence. Inputs: - Problem statement: {{problem}} - Where and when it happens: {{context}} - What has already been tried: {{tried}} - Who is affected and how badly: {{impact}} Steps: 1. Restate the problem in one sentence with who, what, where and how often. If it is vague, ask me up to 3 questions to sharpen it. 2. Ask one question at a time. Start with why the problem happens, and base each next question on my last answer, not on a script. Avoid leading questions that contain your own theory. 3. After each answer, label it fact (I observed it), belief (I think it is true) or guess. Ask how we could check any belief or guess. 4. Look in several directions, not one chain: people and skills, process and handoffs, tools and data, rules and incentives, outside events. 5. Stop when an answer points to something we can change, or after about eight questions. Do not stop at blaming a person. 6. Then write the summary. If I ask you to skip the questions, give the summary at once and mark every assumption. Output format for the summary: - Causal chain, one line per step, each marked fact, belief or guess. - Most likely root cause and your confidence (low, medium, high) with a reason. - Two cheap checks to confirm it. - Two fixes: one quick containment, one lasting change, with an owner role for each. Quality bar: never present a guess as a finding, keep questions short, and stay neutral about people.

Variables

4 variables
VariableWhat to enterExampleDefault
{{problem}}Describe the problem in a sentence or twoCustomer orders are shipped late about once a week—
{{context}}Where and when it happensWarehouse, mostly on Mondays and after holidays—
{{tried}}What has already been triedAdded an extra packer on Mondays; reminded staff of cut-off times—
{{impact}}Who is affected and how badlyAbout 30 customers a week, several complaints and refunds—

Try it

Live preview
Describe the problem in a sentence or two
Where and when it happens
What has already been tried
Who is affected and how badly
Your finished prompt
You are a facilitator helping me find the root cause of a problem. Guide me by asking questions first, then summarize once we have enough evidence. Inputs: - Problem statement: {{problem}} - Where and when it happens: {{context}} - What has already been tried: {{tried}} - Who is affected and how badly: {{impact}} Steps: 1. Restate the problem in one sentence with who, what, where and how often. If it is vague, ask me up to 3 questions to sharpen it. 2. Ask one question at a time. Start with why the problem happens, and base each next question on my last answer, not on a script. Avoid leading questions that contain your own theory. 3. After each answer, label it fact (I observed it), belief (I think it is true) or guess. Ask how we could check any belief or guess. 4. Look in several directions, not one chain: people and skills, process and handoffs, tools and data, rules and incentives, outside events. 5. Stop when an answer points to something we can change, or after about eight questions. Do not stop at blaming a person. 6. Then write the summary. If I ask you to skip the questions, give the summary at once and mark every assumption. Output format for the summary: - Causal chain, one line per step, each marked fact, belief or guess. - Most likely root cause and your confidence (low, medium, high) with a reason. - Two cheap checks to confirm it. - Two fixes: one quick containment, one lasting change, with an owner role for each. Quality bar: never present a guess as a finding, keep questions short, and stay neutral about people.

Sample output

Question 4 of about 8: You said invoices go out late 'because the approval step is slow.' How do you know the approval step is the slow part? Is there a timestamp showing when it was submitted and approved? ...after the session: Causal chain: 1. Invoices sent late (fact: 30% past due date). 2. Waiting for manager approval (fact: median 4 days). 3. Approvers not notified of new requests (belief). 4. Notifications go to a shared inbox nobody owns (guess). Likely root cause: no named owner for the approval queue. Confidence: medium. Checks: look at inbox open rates; ask two approvers when they last saw a request. Fixes: containment, daily 10-minute queue check by the finance lead; lasting, assign owner and direct notifications.

An example the author shared. Your result will differ.

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