Haier · Air Conditioning
These codes indicate that the compressor is drawing too much electrical current. This can be caused by power supply issues, or problems with the compressor itself or its driver module.
Click steps to track your progress.
Check if the power supply voltage is stable and within the correct range.
Restart the air conditioner.
If the problem occurs immediately upon startup or after running for a while, a technician should inspect the IPM Module, compressor, and power supply.