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PromptLab by FEHMER TECH
ENDE
Analysis

Root Cause Analysis (Ishikawa / 5-Why)

Systematic investigation of problems, errors, or incidents to identify root causes and derive sustainable countermeasures.

Prompt template

Conduct a structured root cause analysis for the following problem:

**Problem / Symptom:**
[PROBLEM DESCRIPTION]

**Context:**
- When did the problem occur? [DATE/PERIOD]
- How often / how frequently? [FREQUENCY]
- What are the impacts? [IMPACTS]
- Previous measures tried: [SOLUTIONS ALREADY ATTEMPTED]

**Method 1: 5-Why Analysis**
Step through:
- Why did the problem occur? → Cause 1
- Why did Cause 1 occur? → Cause 2
- Why did Cause 2 occur? → Cause 3
- Why did Cause 3 occur? → Cause 4
- Why did Cause 4 occur? → Root Cause

**Method 2: Ishikawa Diagram (Fishbone)**
Analyze causes in the following categories:
- People: qualifications, behavior, communication
- Machine/Technology: failures, configuration errors
- Method/Process: process errors, missing standards
- Material: quality issues, supplier problems
- Environment: external factors
- Management: steering, resources, priorities

**Root Cause & Actions**
- Identified root cause(s)
- Immediate actions (short-term)
- Corrective actions (medium-term)
- Preventive actions (long-term)
- Owners and timeline

Formulate clear, actionable measures with measurable success criteria.

Replace placeholders in [square brackets]: [PROBLEM DESCRIPTION][DATE/PERIOD][FREQUENCY][IMPACTS][SOLUTIONS ALREADY ATTEMPTED]

How to use this template

Copy the prompt, replace the placeholders in square brackets with your details and paste it into the AI assistant of your choice. The more precise your details, the better the result.

Tips for better results

  • Describe the problem as concretely as possible (numbers, facts, data)
  • Involve team members who were present when the problem occurred
  • Ask for a CAPA process template (Corrective and Preventive Action)
  • Request verification that the identified root cause is truly causal

Suitable open models

The selection names current open models as a starting point for your own tests. It is not a measurement for this template.

Keywords: #root-cause #ishikawa #5-why #quality

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