If your outdoor air conditioner unit is running but the fan is not spinning, the system may not be able to remove heat from your home.
This problem is often caused by a failed capacitor, a bad fan motor, or a faulty contactor.
Many of these problems can be repaired by replacing a small electrical component instead of replacing the entire system.
Dallas HVAC Parts in Garland helps homeowners identify the correct parts needed for AC repairs.
Common Causes of an AC Fan Not Spinning
1. Failed Capacitor
The capacitor helps start the condenser fan motor.
When it fails, the fan may not start even though the unit has power.
Signs of a failed capacitor include:
• AC unit humming
• Fan blades not spinning
• Fan starts when pushed with a stick
• AC unit not cooling properly
See our Capacitor page for more information.
2. Bad Condenser Fan Motor
If the motor itself has failed, the fan will not spin even if the capacitor is working.
Signs of a bad fan motor include:
• Fan blade does not move
• Motor overheats
• Loud buzzing or grinding sounds
See our Motor page for more information.
3. Contactor Not Delivering Power
If the contactor does not close properly, power may not reach the fan motor.
This can prevent the fan from starting.
Symptoms include:
• Clicking sound from AC unit
• Fan not starting
• Compressor not running
See our Contactor page for more information.
Get Help Matching the Right Part
If your AC fan is not spinning, the issue is often a replaceable part such as a capacitor or motor.
Bring your old part or AC model number to Dallas HVAC Parts in Garland, and we will help you identify the correct replacement.