Haier · Air Conditioning
The DC fan motor is damaged, not connected, or its related circuit is broken. The error status will confirm and lock if this occurs 3 times within 30 minutes.
Click steps to track your progress.
Check if the fan motor wires are conductive.
Check if the motor is running.
Power off the unit and try to rotate the fan motor by hand to see if it turns freely.
Check if the terminal voltage is correct.
Replace the fan motor.
Replace the PCB.