Air Handler Fan Not Running

Shut off the power supply to the air conditioner at the disconnect or breaker panel.

Air handler fan not running.

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. Listed below are the 3 most common reasons why the blower fan continues to run after the. It s located on the side of the building near the outdoor a c unit.

No cooling or inadequate cooling. When an outside fan fails the most likely cause is a capacitor issue. Air conditioner is turned off but fan keeps running. After an extended period of time you fan can break or stop working.

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. Remove the service panel on the a c unit. A capacitor may be used to start the fan and keep it running as in a start run capacitor. A filter that s not a proper fit can obstruct airflow and put more stress on your air condition fan.

Do not proceed if you re not sure you ve properly shut off the power. Keeping the fan on creates a more even distribution of heating and cooling circulating the air if you have cold or hot spots in your house like a bedroom above a garage. Then check out our page heat pump iced up in summer. If the fan isn t working that can cause the coil to freeze.

Less frequent starts and stops of the fan can reduce the stress from startup and potentially help extend it s lifespan. Capacitors store up the energy that powers the air conditioner s fans. If all else fails check to see if there is a problem with your air conditioner s physical. The latest in heating ventilation air conditioner systems 4 reasons why ac compressor not working but fan is running 4 reasons why ac compressor not working but fan is running october 4 2019 articles blog palm beach county troubleshooting 5 comments.

It s time to troubleshoot an air conditioner for a faulty or broken condensing unit when you notice issues like. 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. When your air conditioner s outside fan is not working inspect the fan itself. If the coil is frozen shut off the air conditioning immediately.

Some units also have dual capacitors that power you air conditioner s fans as well as your compressor. Find the start capacitor for the fan.