4-28 Samsung Electronics
4-3-15 Discharge current error/ PFC over-current error
1. Inspection items
1) Is input power correct?
2) Is refrigerant filled?
3) Is the outdoor fan spinning correctly?
4) Are there any obstacles around indoor/outdoor units?
2. Inspection order
Yes
Yes
Yes
Yes
Reinstall after removing obstacle
No
Is the outdoor unit installed correctly?
No
Reinstall after removing obstacle
Is indoor unit installed correctly?
No
Open valves
Is the service valve open completely?
No
Replace the compressor
Is the compressor operating normally?
Replace PCB
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