Why does my AC fan keep running all the time?

NOTE: Sometimes entire air conditioner units (not just the fan) can run nonstop in an effort to reach the desired temperatures. Often, these inefficiencies are a result of clogged or restrictive air filters, dirty or frozen evaporator coils, dirty or blocked condensers, or low refrigerant.

What to do if your condenser unit fan stops running?

If the condenser unit fan won’t start at all, check for power to the unit and to the fan motor and that all of the controls are calling for cooling (or heat pump operation); check for loose, disconnected wires; Check for a frozen fan motor (motor won’t turn manually when power is off).

How can I tell if my air conditioner fan is working?

The air conditioner fan is located in the condenser unit (the portion of the AC that is parked outside your home). Therefore, to determine whether or not this part is working, you’ll have to walk outside and look at the fan through the vents of the condenser unit. Signs that your fan is having issues include the following:

Where is the fan located in an air conditioner?

And while that explanation makes sense, an air conditioner has so many parts, that it can be confusing to figure out which specific component is causing the AC to fail. The air conditioner fan is located in the condenser unit (the portion of the AC that is parked outside your home).

What causes an air conditioner fan to stop working?

Capacitor problems. A capacitor stores up energy that provides power to your air conditioner’s fans. 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. Often a bad capacitor will need to be replaced by a professional. Contactor problems.

What should I do if my central AC is not working?

Have your owner’s manual handy to help the technician troubleshoot the problem. Your central air conditioner sends refreshing, cool air through ducts to reach every room of your house. These ducts pull warm air from the house and carry it to your AC unit for treatment and cooling.

What does it mean when your AC unit is not running?

After some investigating, you determine that your outside AC unit isn’t running but the inside is. Typically, this means one of two things: your outside AC hums but the fan doesn’t spin or the entire outside AC unit isn’t working at all. What could be causing either of these problems, and, more importantly, what can you do about it?

What should I do if my AC Fan is not spinning?

Slide a long, thin wooden stick through the fan grate and gently push one of the blades to try to get the fan spinning. (Safety note: DO NOT use any kind of conductive metal or material to do this. Don’t put your fingers in or near the grate.) If the fan takes off and then keeps going on its own, you more than likely have a bad start capacitor.