Blower Fan Motor Not Working

If the motor still does not turn the motor is bad.

Blower fan motor not working.

If there is a battery check if it is working properly. It doesn t work on any speed. Connect the red lead to a power source and then to the leads on the motor side of the disconnected connector. I don t think it is the fuse.

If you are getting 24 volts between g and c then you probably have a fan relay problem or sequencer problem. Some of the heat pumps with electric heat control the blower using a sequencer. If the thermostat does not have continuity replace it. Blower stopped working last thursday it came back on friday after i wiggled the blower motor resistor went back out saturday.

One of the most common problems with furnace fans is a bad blower relay. If no voltage is recorded you will have to replace the board or the relay. Some control the blower fan with a relay. I went ahead and replaced the blower motor resistor and cabin air filter but it is still completely dead.

This can be annoying but troubleshooting is easy. Power supplied from the fuse panel. You should be able to find this relay or sequencer by tracing the blower motor wires back to the relay or sequencer. The most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed usually high.

If the motor turns the connector is bad. If the compressor is running but the fan motor is not running the fan motor or the fan motor capacitor are likely at fault. Many hvac related calls are due to the blower motor not working. This is another common reason behind faulty.

If you start at the blower motor and check resistance in the circuit you will find the problem in no time. If both the compressor and the fan motor won t run use a multimeter to test the temperature control thermostat for continuity.