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| Error Code | Fault Meaning & Symptoms | Suspected PCB Component | Diagnostic Action | Lab Repair |
|---|---|---|---|---|
| E464 | Samsung Inverter AC E464 Inverter Overcurrent Error Compressor vibrates heavily upon startup and instantly shuts down with E464 error code. | Compressor Inverter IPM Module | Check IPM UVW phase resistance balance. Replace burnt IPM module and replace 15V gate driver Zener diodes. | WhatsApp Repair Board |
| E464 | Samsung Inverter AC E464 Inverter Overcurrent Error Compressor vibrates heavily upon startup and instantly shuts down with E464 error code. | Compressor Inverter IPM Module | Check IPM UVW phase resistance balance. Replace burnt IPM module and replace 15V gate driver Zener diodes. | WhatsApp Repair Board |
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