P0
Kelvinator
DC Bus Voltage Protection
Kelvinator inverter split AC shows P0 and may limit compressor operation.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Low or high supply voltage, faulty PFC circuit on outdoor PCB, loose power connections, failing main capacitor
How to Fix / Troubleshooting
Safety: High voltage present; exercise caution.
User checks:
- Verify supply: Use a qualified electrician to check that mains voltage is within the specified range.
- Check connections: Ensure the outdoor unit's power terminals are tight and free of corrosion.
Technician tasks: Inspect the outdoor PCB, DC bus capacitors, and PFC components; replace the PCB if defective.
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Repair Difficulty
Professional Required
5/5
Required Part
Outdoor Power Supply PCB
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