Air Handler Fan Not Working

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

Air handler fan not working.

Test to make sure you are getting 24 to 28 volts ac between the g green and c com terminals on you fan center or control board if you aren t getting 24 volts between g and c then you might have a thermostat problem a thermostat. Another common and easily remedied situation that sometimes results in a central air conditioner fan not working is a dirty clogged air filter. A capacitor stores up energy that provides power to your air conditioner s fans. So you do some investigating and realize that even though the outside unit is buzzing the fan isn t spinning.

5 common reasons why your central air conditioner fan is not working. A filter that s not a proper fit can obstruct airflow and put more stress on your air condition fan. Fan will not come on in the on position or your fan will not come on when you turn the thermostat down in the air conditioning mode. Then check out our page heat pump iced up in summer.

If all else fails check to see if there is a problem with your air conditioner s physical. Air conditioner outside unit fan not working. If these aren t the problem check the air filter. Since the ahu is the central unit that moves the air throughout the ductwork it is important to make sure nothing obstructs the airflow through the air handler such as dirty or clogged air filters a regular air filter maintenance schedule will help you maintain good airflow through the duct system.

Air conditioner not cooling air conditioner won t blow cold air. Maybe you notice that there is warm air blowing through your vents despite the fact that you are good about changing your ac filters and you ve never had any type of problem like this. If the coil is frozen shut off the air conditioning immediately. If it s clogged with dirt or other debris you won t get any air flow.

Even if it s not a heat pump some equipment still use belt driven. While each component in a central air conditioner is critical quite simply the unit will not work if the fan is not running. If the coil froze the fan could be working but the air wont go through the ice until it melts. After an extended period of time you fan can break or stop working.

Your system s air filter traps dust dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner. Fans in the central a c both pull air out of the room to be conditioned and have humidity removed and also push chilled air through the vents throughout the house. 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.