Haier · Air Conditioning
The system is having trouble detecting the precise position of the compressor's rotor. This is critical for the compressor's smooth operation.
Click steps to track your progress.
Turn off the power switch before checking any connections.
Verify the compressor wiring is correct and connections are secure.
Restart the unit.
If the problem persists after checking wiring, the compressor or PCB may be faulty and require professional diagnosis.