Gas Furnace Blower Motor Not Working

A switch inside the door compartment engages when the door is closed properly.

Gas furnace blower motor not working.

Inspect the heat exchanger for cracks which can cause a safety hazard. The blower motor blows air through the return vent past the heat exchanger and into the home s venting. Any yellow red or orange indicates dust and dirt buildup on the burner. Turn off the furnace at.

If the blower motor is burned out replace it. In this hvac troubleshooting video i go over the top 10 reasons why the blower fan motor is not starting in a furnace air handler or packaged unit for air. If no voltage is recorded you will have to replace the board or the relay. Check the furnace flame for a complete blue color.

The blower motor blows air through the return vent past the heat exchanger and into the home s venting. First make sure that power is getting to the motor. Verify the furnace door is closed fully as an open door will cause the furnace not to work. If there is a battery check if it is working properly.

One of the most common problems with furnace fans is a bad blower relay. Perhaps your blower motor has burnt out and you need a new one. Is your furnace blower motor not working and there is no air coming out of your vents. If the fan motor runs but no air comes out check the blower to ensure the belt is not misaligned or broken.

After ruling out all of the simple problems above the most likely cause of a furnace not blowing air is a problem with the blower fan itself which if you remember is the fan that circulates your house s air over the heated coils. If none of these troubleshooting steps work call a professional technician as the. Some older gas furnaces use a belt drive blower motor. If the blower motor is burned out replace it.

If the belt becomes extremely loose or breaks the blower wheel will not turn even though the motor is operating. If power is getting to the blower motor but the motor does not run the motor may be burned out. If you have cool air but a steady airflow your blower motor is working but your heat exchanger or burner is not.