Recall practical diagnostic guardrails based on 5 Whys and DMAIC.
DMAIC What is the diagnostic version of DMAIC? A quality loop for one repair. Symptom vs. cause Do not stop too high The quote should be tied to cause, not just symptom. Customer asks: "Can you just replace the pump?" They want a fast part swap. Do not accept the customer's diagnosis as the root cause. Your line We can replace a failed pump if testing supports it. First I need to verify power, flow restriction, and drain path so we do not sell you the wrong repair. It preserves trust and diagnostic discipline. 5 Whys stopping rule Stop when…
Sign up free — one personalized lesson every day, matched to your role and goals.
Already have an account? Sign in