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LS-980 Portable Mini Desk Fan
Brand: Generic / OEM
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Audited BOM: 7 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 (tier 3) brushed DC motor cannot withstand continuous use, leading to overheating, reduced performance, and premature failure, resulting in RMAs and negative reviews.
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