Air Handler Fan Not Working

If the coil froze the fan could be working but the air wont go through the ice until it melts.

Air handler fan not working.

Air conditioner not cooling air conditioner won t blow cold air. 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 outside unit fan not working. 5 common reasons why your central air conditioner fan is not working.

If the coil is frozen shut off the air conditioning immediately. 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. If all else fails check to see if there is a problem with your air conditioner s physical. Your system s air filter traps dust dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner.

When your air conditioner s outside fan is not working inspect the fan itself. If your ac system turns on but doesn t blow out cold air ensure all the vents are open and the thermostat is set properly. Another common and easily remedied situation that sometimes results in a central air conditioner fan not working is a dirty clogged air filter. 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.

A filter that s not a proper fit can obstruct airflow and put more stress on your air condition fan. If these aren t the problem check the air filter. A capacitor stores up energy that provides power to your air conditioner s fans. Clear duct system and good airflow common air handler problems.

So you do some investigating and realize that even though the outside unit is buzzing the fan isn t spinning. While each component in a central air conditioner is critical quite simply the unit will not work if the fan is not running. 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. After an extended period of time you fan can break or stop 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. If it s clogged with dirt or other debris you won t get any air flow. If the fan isn t working that can cause the coil to freeze.