PU
Capacitor Charging Malfunction
Description
The inverter drive's DC bus capacitor failed to charge properly during startup, preventing the compressor from running.
Appliance Error Codes Details
Additional Troubleshooting
1. Power cycle the unit
2. Check the input power supply voltage is stable
3. Do not open the outdoor unit yourself — this circuit carries high voltage
4. Contact service for capacitor and rectifier inspection
2. Check the input power supply voltage is stable
3. Do not open the outdoor unit yourself — this circuit carries high voltage
4. Contact service for capacitor and rectifier inspection
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Author:
Pavel Volkov
Created:
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