Five Whys for Repeat Lock Failures
Apply Five Whys to identify a process cause behind repeat locksmith callbacks.
Three keypad deadbolts from one installer have low-battery callbacks within 10 days. Five Whys: ask why until the fix moves from symptom repair to process prevention. Stopping at bad batteries treats the symptom and lets the same stocking or testing failure repeat. Why 1 Why did the customer call back? The keypad showed low battery and would not cycle reliably. This is the symptom, not the root cause. Why 2 Why did the keypad show low battery? Batteries installed from van stock were partly depleted. This names a material condition but still asks how it happened. Why 3 Why were…
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