Central Air Blower Fan Not Working

If the fan isn t working that can cause the coil to freeze.

Central air blower fan not working.

5 common reasons why your central air conditioner fan is not working. But before you phone see if the problem is caused by something else. Located inside the air handler this fan is responsible for pushing the cold air through the ducts. The unit stops working.

One on either side of the motor. The circulation fan motor has two fan blades. If they aren t working properly call a trained technician. Another common and easily remedied situation that sometimes results in a central air conditioner fan not working is a dirty clogged air filter.

The condenser lines should be cold and the air inside the home should be cool. If the coil froze the fan could be working but the air wont go through the ice until it melts. Next check the air handler. 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. If the blower motor fails to start nothing happens. Air filter is blocked. On one side the fan blade draws in outside air o ver the condensing coil to dissipate the heat.

The dual shaft fan motor or circulation fan motor might be defective. When the blades are covered with an excessive amount of dust or the blower motor is broken you will have issues with your system. 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. 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 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. Feel for air coming out of the vents.

A capacitor stores up energy that provides power to your air conditioner s fans. A kinked refrigerant line or a blower fan that isn t running right can cause this too. The first is an inspection of the outdoor unit to physically see if the fan is turning.