Diagrams · Operations
Root Cause Analysis (5 Whys) Diagram
Uncover Core Problem Origins
Overview
The '5 Whys' diagram is a simple yet powerful tool for drilling down into the underlying reasons for a problem, rather than just addressing symptoms. It helps you ask 'why' repeatedly until you reach the fundamental cause, preventing recurrence. It's an essential part of the Analyze phase in DMAIC.
Purpose
Use this diagram to facilitate structured problem-solving sessions. It helps teams move beyond superficial issues to identify and resolve the true origins of operational failures or inefficiencies.
Why it matters
Addressing root causes leads to permanent solutions, saving time, money, and preventing future disruptions. This diagram provides a clear visual path to achieving that deep understanding.
Unlock the full playbook
The step-by-step instructions, AI companion prompt, worked example, common mistakes and downloadable files are available to members.
When to use it
Refer to this diagram whenever you encounter a recurring problem or significant operational issue.
Tags
- root-cause-analysis
- 5-whys
- problem-solving
- lean-tools
- diagram
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