Haier · Air Conditioning
This code indicates a problem with the temperature sensor located near the IPM's heat sink, or a brief loss of power was detected. This sensor helps protect the IPM from overheating.
Haga clic en los pasos para seguir su progreso.
Check the IPM temperature sensor wiring connection at Plug CN-8.
Ensure the sensor is properly seated and the wiring is undamaged.
Check if the unit experienced a momentary power failure.
Replace the sensor if it is found to be faulty.