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Tuya Wi-Fi Smart Overlay Digital Lock ALPHA-220
Brand: Generic / OEM
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Audited BOM: 13 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 use of low-quality Zamac in the locking mechanism (COMP-011) leads to premature wear (ENG-001), resulting in locking failures (RMA-001) and customer dissatisfaction (REV-001, REV-004).
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+5 additional failure modes & return complaint chains locked
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