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3L (3.2 qt / 101 oz) 5W Ultrasonic Cool Mist Humidifier KA-1611
Brand: Generic / OEM
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Audited BOM: 10 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 a low-quality ultrasonic transducer (COMP-003) with fragile ceramic and no limescale protection (ENG-001) leads to premature component failure, resulting in defective products (RMA-001) and customer dissatisfaction (REV-001, REV-002).
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