Air Conditioner Fan Not Spinning Outside

The contactor may be faulty.

Air conditioner fan not spinning outside.

If you don t hear any sounds to indicate that the compressor is working and the fan isn t spinning the most common causes are a lack of power or a faulty compressor contactor. Six reasons your air conditioning fan may not be running. The dual run capacitor is defective. It s located on the side of the building near the outdoor a c unit.

Do not proceed if you re not sure you ve properly shut off the power. Another problem that may cause your air conditioner fan to not spin might be a belt that has either broken or became loose. Shut off the power supply to the air conditioner at the disconnect or breaker panel. Capacitors store up the energy that powers the air conditioner s fans.

Run capacitor is weak or has failed. The fan pulls in hot air and delivers it over your condenser coil where the air cools to your desired temperature and can then be pumped into your home. While your fan can stop spinning for a number of reasons in most cases the resolution is not a simple diy fix. A capacitor may be used to start the fan and keep it running as in a start run capacitor.

Its job is to cause motion and that motion moves the air. Check the float switch. A start capacitor is an electric device that gets the electric motor running at startup by providing a jolt of stored electrical energy. Replacing these your unit s belt is not too hard but when the belt does slip off or break it usually means that your unit is getting old.

Find the start capacitor for the fan. Remove the service panel on the a c unit. Your air conditioner s fan is usually located in your outside unit. Don t use your fingers otherwise you ll injure yourself.

Compressor works but the fan does not spin. Check to make sure your breaker has not tripped. The capacitor may have gone bad and therefore the fan won t start. Condenser fan motor failure.

If your air conditioner fan is not spinning the problem could be a faulty belt. Some units also have dual capacitors that power you air conditioner s fans as well as your compressor. You may want to think about replacing the whole system. Inside your air conditioning unit the fans turn with the assistance of motors and capacitors.

When an outside fan fails the most likely cause is a capacitor issue. Most of the air conditioning systems that use belts are outdated units. You can think of the motor on a fan just like the motor in your car. You have a bad fan motor and or bad start capacitor.

Understanding the parts of your ac unit.