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Slim Biometric Digital Door Lock SIGMA-FE10
Brand: Generic / OEM
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Audited BOM: 12 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The low-quality stepper motor (ENG-001) fails to actuate the locking mechanism (COMP-011), resulting in opening/closing failures (RMA-001, RMA-003) and user complaints (REV-001, REV-003).
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+5 additional failure modes & return complaint chains locked
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