What to Do When the Car Air Conditioner Fan Doesn't Rotate?
1 Answers
The car air conditioner fan may not rotate due to the following 4 reasons: 1. Relay failure: If the relay fails, the car's radiator fan won't work either. If the water temperature is normal but the radiator fan still doesn't operate, the issue might be with the fan's relay. 2. Poor contact in the main control switch or damaged fan motor coil: Use a multimeter to measure the contact resistance of the main control switch. If the resistance is too high or zero, repair or replace it. 3. Loose set screw between the fan motor and blade: Tighten the set screw. 4. Open or short circuit in the fan capacitor: Inspect the capacitor and replace it with one of the same specifications.