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Frigidaire Air conditioner fan not working

If your Frigidaire air conditioner fan is not working, start with the fan motor because it is the most common failure point. Many Frigidaire window units use a dual shaft fan motor that turns one blade to move outdoor air across the condensing coil and another to move indoor air across the evaporator coil. If the shaft is loose, bound up, or will not turn by hand, the motor bearings are likely worn and the motor should be replaced. If the blade spins freely, check whether the fan motor is getting power. A powered motor that will not run is defective. If the Frigidaire AC fan is not working after the motor checks out, the relay board may not be sending voltage to the motor. Less common causes include a failed temperature control thermostat or thermostat that is not closing its contacts in cooling mode, or a main control board that has stopped supplying power. Enter your model number on RepairClinic.com to find the exact dual shaft fan motor, fan motor, relay board, thermostat, or control board for your specific Frigidaire air conditioner.

01 - Frigidaire Air Conditioner Dual Shaft Fan Motor

The dual shaft fan motor (or circulation fan motor) might be defective. The circulation fan motor has two fan blades: one on either side of the motor. On one side, the fan blade draws in outside air over the condensing coil to dissipate the heat. On the other side, the fan blade directs the air over the evaporator coil. The dual shaft fan motor has bearings that can loosen or bind over time. To determine if the motor bearings are defective, wiggle the motor shaft. If the motor shaft is loose, or if it won’t turn at all, replace the fan motor.
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02 - Frigidaire Air Conditioner Fan Motor

Try turning the blade by hand. If the blade does not turn freely, this indicates that the motor bearings are worn out. If the motor bearings are worn out, replace the motor. If the blade turns freely, test the incoming power to the fan motor. If power is getting to the fan motor, but the motor won’t run, this also indicates that the motor is defective and should be replaced.
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03 - Frigidaire Air Conditioner Relay Board

The relay board provides voltage to many components of the air conditioner, including the fan motor. If the relay board isn’t working properly, the fan might not run. Relay boards are often misdiagnosed; before replacing the board, make sure you check more commonly defective parts—particularly the fan motor capacitor and the fan motor itself. If you are certain that all of the other components are working properly, replace the relay board.
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04 - Frigidaire Air Conditioner Temperature Control Thermostat

The temperature control thermostat has electrical contacts that burn out over time. If the electrical contacts are burned out, the thermostat won’t work properly The fan motor should always be running when the compressor is on. If the compressor is running, but the fan motor is not running, the fan motor or the fan motor capacitor are likely at fault. If both the compressor and the fan motor won’t run, use a multimeter to test the temperature control thermostat for continuity. If the thermostat does not have continuity, replace it. (Note: Some thermostats may also control a heater and, as a result, will have three terminal...s. Refer to your air conditioner’s wiring diagram for more information.)
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05 - Frigidaire Air Conditioner Thermostat

The thermostat monitors the temperature of the air. When the air temperature rises above a set point, the thermostat activates a switch to provide power to the fan and compressor. If the thermostat is defective, it may prevent the fan from working. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. If the thermostat does not have continuity while the air conditioner is set to cooling, replace the thermostat. (Note: Some thermostats may also control a heater and, as a result, will have three terminals. Refer to your air conditioner...’s wiring diagram for more information.)
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06 - Frigidaire Air Conditioner Main Control Board

The main control board provides voltage to all of the air conditioner’s components. If there is a problem with the control board, it might stop providing power to the fan motor. Control boards are often misdiagnosed; make sure you check more commonly defective parts before replacing the main control board. If you are certain that all of the other components are working properly, replace the main control board.
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Frequently Asked Questions

Why is my Frigidaire air conditioner fan not working?
What should I check if my window air conditioner fan is not spinning but the compressor runs?
Can a bad thermostat cause a Frigidaire AC fan not to run?
Should I replace the relay board or main control board if my AC fan motor is not running?
How do I find the right replacement fan motor for my Frigidaire air conditioner?

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