Air Handler Fan Not Running

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

Air handler fan not running.

Then check out our page heat pump iced up in summer. Some units also have dual capacitors that power you air conditioner s fans as well as your compressor. Listed below are the 3 most common reasons why the blower fan continues to run after the. Air conditioner is turned off but fan keeps running.

Less frequent starts and stops of the fan can reduce the stress from startup and potentially help extend it s lifespan. It s time to troubleshoot an air conditioner for a faulty or broken condensing unit when you notice issues like. Even if it s not a heat pump some equipment still use belt driven. If you can make the blower run then we know the problem is not with the blower motor or drive belt or assembly and we d go to step two.

Capacitors store up the energy that powers the air conditioner s fans. It s located on the side of the building near the outdoor a c unit. If the coil froze the fan could be working but the air wont go through the ice until it melts. When your air conditioner s outside fan is not working inspect the fan itself.

If your blower fan is continuing to run after the system has already turned off and you made sure your thermostat isn t set to the on position then you ll want to try and pinpoint the issue. With a typical split system central air conditioner the condensing unit sits outside your home and includes the outdoor coil the compressor the condenser fan and its electronic controls. A filter that s not a proper fit can obstruct airflow and put more stress on your air condition fan. Remove the service panel on the a c unit.

Find the start capacitor for the fan. If all else fails check to see if there is a problem with your air conditioner s physical. A capacitor may be used to start the fan and keep it running as in a start run capacitor. After an extended period of time you fan can break or stop working.

Pros to running fan on air conditioner continuously. When an outside fan fails the most likely cause is a capacitor issue. No cooling or inadequate cooling. Do not proceed if you re not sure you ve properly shut off the power.

If the coil is frozen shut off the air conditioning immediately. Your system probably has a manual fan on switch on the thermostat or if not there may be a fan on push pull switch right on the fan limit switch in the air handler.