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Fedders Air Conditioner won't run

If your Fedders air conditioner won't run, start with the parts that control power to the unit’s major components. A failed control board is the most likely cause because it regulates voltage to the compressor and fan motor, followed closely by the main control board, which can create the same no-run condition if it stops sending power where it should. The user control and display board is another likely failure point, especially if the unit has power but will not respond when you select fan speed or cooling settings. A bad selector switch can also keep the fan motor from turning on, making it seem like the AC won’t turn on at all. Before replacing parts, confirm the basics: make sure the unit is plugged in, check for indicator lights, and reset any tripped breaker or blown fuse if the air conditioner has no power. For a Fedders window air conditioner not turning on, enter your model number on RepairClinic.com to find the exact replacement control board, selector switch, or related part for your specific air conditioner.

01 - Fedders Air Conditioner Control Board

The control board regulates the voltage to the compressor and the fan motor. If the control board fails, some components will not function properly or will not work at all. Control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the control board.

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Highly Likely

02 - Fedders Air Conditioner Main Control Board

The main control board regulates the voltage to the compressor and the fan motor. If the control board fails, some components will not function properly or will not work at all. Control boards are often misdiagnosed; make sure to check more commonly defective parts first before replacing the main control board.

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Highly Likely

03 - Fedders Air Conditioner User Control and Display Board

The user control and display board allows the user to operate the unit by selecting fan speeds and cooling temperatures. If the board is defective, the air conditioner may be unable to run. If you've confirmed power it reaching the unit, it's possible the user control and display board is malfunctioning and will need to be replaced.

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Highly Likely

04 - Fedders Air Conditioner Selector Switch

The selector switch directs voltage to the fan motor. If the switch is faulty, the fan motor may not turn on and the air conditioner won't run. To determine if the selector switch is at fault, try making selections on the air conditioner’s control board. If the fan runs intermittently after you press a button, replace the selector switch. Additionally, if there is any arcing or smoke coming from the selector switch, replace it.

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Common

05 - Incoming Power Problem

Check to see if there is power to the air conditioner. One or more indicator lights on the control board should be illuminated. If there is no power to the air conditioner, check to see if a circuit breaker has tripped or a fuse has blown. Confirm the unit is plugged in and has power.

Common

Frequently Asked Questions

Why won't my Fedders air conditioner turn on?

What should I check before replacing a Fedders air conditioner control board?

Can a bad selector switch make a Fedders window air conditioner not turn on?

Why does my Fedders AC have power but the fan is not working?

How do I find the right replacement part for a Fedders air conditioner that won't run?

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