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HomeRepair HelpAmana A/C RepairAmana Air conditioner compressor won't run Repair
Amana Air conditioner compressor won't run
If your Amana air conditioner compressor won't run, the unit may still power the fan while the cooling system never actually starts. The most likely cause is a failed temperature control thermostat with burned electrical contacts, which can keep voltage from reaching the compressor. Next, check the temperature control board, but do not replace it until you have ruled out more common compressor circuit parts, including the overload, capacitor, and compressor itself. A faulty thermostat can also stop the compressor from starting by failing to call for cooling. If the overload has burned out, it can interrupt power to protect the compressor, and you can test it for continuity with a multimeter. A defective compressor is possible, but less common and should be replaced only by a licensed technician. A failed thermistor can also cause an AC compressor not turning on if it cannot properly sense temperature. Enter your Amana model number on RepairClinic.com to find the exact temperature control thermostat, control board, overload, thermistor, or other replacement part that fits your air conditioner.
01 - Amana Air Conditioner Temperature Control Thermostat
The temperature control thermostat has electrical contacts inside that burn out over time. It is possible for the thermostat to still turn on the fan motor but not the compressor motor.
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Highly Likely
02 - Amana Air Conditioner Temperature Control Board
The temperature control board provides voltage to the fan motor and compressor. If the control board is defective, it may stop providing voltage to the compressor. Control boards are often misdiagnosed. Before replacing the temperature control board, make sure you check more commonly defective parts—particularly the compressor overload, capacitor and the compressor itself. If you are certain that all of the other components are working properly, replace the temperature control board.
Highly Likely
03 - Amana 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 compressor from running. If you determine that the compressor is at fault, replace it.
Highly Likely
04 - Amana Air Conditioner Overload
The overload protects the compressor from burning out if it draws too much current. Over time, the overload can burn out. To determine if the overload is burned out, use a multimeter to test the overload for continuity. If the overload does not have continuity, replace it.
Highly Likely
05 - Amana Air Conditioner Compressor
The compressor itself might be defective. However, this is not usually the case. Before replacing the compressor, be sure to check more commonly defective components—particularly the overload protector and the compressor capacitor. If the compressor is defective, it should only be replaced by a licensed technician.
Highly Likely
06 - Amana Air Conditioner Thermistor
The thermistor is a sensor connected to the control board that detects the temperature of the outside air. If the thermistor does not have continuity, it can prevent the compressor from running. To determine if the thermistor is at fault, use a multimeter to test it for continuity. If the thermistor does not have continuity, replace it.
Common
Frequently Asked Questions
Why won’t my Amana air conditioner compressor run if the fan still works?
What should I check first when my Amana AC compressor is not turning on?
Can a bad thermostat keep an Amana air conditioner compressor from starting?
How do I know if the compressor overload is bad on my Amana air conditioner?
Where can I find the right replacement part for an Amana air conditioner compressor not working?
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