Tools & Home Improvement > Welding & Soldering > Welders
150A Dual Voltage Inverter Welder LWJ-ZD109
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 heat dissipation failure (ENG-001) leads to critical overheating of the main board, causing shutdowns and a burning smell (RMA-001), as reported by users (REV-001).
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