The circulation fan motor has two fan blades.
Central air blower fan not working.
Symptoms of a central a c fan not working there are a few ways to tell if your a c fan is temporarily or permanently out of order.
If you have your system inspected and cleaned annually it should run without any trouble.
Next check the air handler.
Air filter is blocked.
The dual shaft fan motor or circulation fan motor might be defective.
The blower motor starts turning fan blades that circulate cold air from the evaporator coils through the home s ductwork and into each room.
On the other side the fan blade directs the air over the evaporator coil.
But before you phone see if the problem is caused by something else.
The unit stops working.
If they aren t working properly call a trained technician.
A capacitor stores up energy that provides power to your air conditioner s fans.
Feel for air coming out of the vents.
However your capacitor can go bad for various reasons and stop working properly which will force one of your system s fans to stop spinning.
A kinked refrigerant line or a blower fan that isn t running right can cause this too.
If the coil froze the fan could be working but the air wont go through the ice until it melts.
Located inside the air handler this fan is responsible for pushing the cold air through the ducts.
Replace any broken fans if you are experiencing a decrease in airflow your ac blower might be to blame.
5 common reasons why your central air conditioner fan is not working.
On one side the fan blade draws in outside air o ver the condensing coil to dissipate the heat.
The condenser lines should be cold and the air inside the home should be cool.
One on either side of the motor.
If the fan isn t working that can cause the coil to freeze.
If it is in the air conditioning mode check for ice around the evaporator coil and on the refrigerant lines at the indoor unit.
This would indicate that the thermostat and the blower motor are operating but the refrigeration system outdoor compressor is not working right or air isn t circulating properly usually because of dirty filters.
Central air conditioners can work for years without problems if properly maintained and serviced annually.
Another common and easily remedied situation that sometimes results in a central air conditioner fan not working is a dirty clogged air filter.
Your system s air filter traps dust dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner.