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HomeRepair HelpAmana Microwave RepairAmana Microwave exhaust fan not working Repair
Amana Microwave exhaust fan not working
When an Amana microwave exhaust fan is not working, start with the door switch, which may fail to signal the control board that the door is closed and prevent the fan control from operating. Test the primary, secondary, or monitor door switch for continuity and replace any defective switch. Next, check the exhaust fan motor. The blades should turn freely by hand; if they do not, replace the motor. If the motor turns freely, test for incoming power and continuity. A defective thermostat is another likely cause because it monitors air temperature and activates the fan when needed. Also inspect the grille for grease, debris, or damage that could keep the vent from pulling air properly. If the motor has no incoming power, the control module may be defective, although it is less common. A micro switch can cause the same door-signal problem as a door switch. Enter your model number to find the exact replacement part for your Amana microwave. Any repair requiring the outer cabinet to be removed must be handled carefully because the high-voltage capacitor can store a lethal charge even after unplugging. Proper capacitor discharge is required before interior work, and a qualified technician should perform it if you are not familiar with the procedure.
01 - Amana Microwave Door Switch
A defective door switch may not signal the control board that the door is closed, which can prevent the button that controls the exhaust fan from functioning. To determine if any of the door switches are defective, use a multimeter to test each of the switches for continuity. If any of the door switches do not have continuity, the switch or switches should be replaced.
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02 - Amana Microwave Exhaust Fan Motor
To determine if the fan motor is defective, remove the fan motor from the microwave and try turning the fan blades by hand. If the blades do not turn freely, replace the fan motor. If the fan blades do turn freely, use a multimeter to test the motor for incoming power and for continuity. If the motor has power but won’t run, replace it. If the motor does not have continuity, replace it.
Top Solution
03 - Amana Microwave Thermostat
The thermostat monitors the air temperature and turns on the fan when necessary. If the thermostat is defective, it won’t turn on the exhaust fan at all. Use a multimeter to test the thermostat for continuity. If the thermostat does not have continuity, replace it.
Top Solution
04 - Amana Microwave Grille
A damaged or clogged grille can prevent the air from being properly exhausted when the exhaust fan is turned on. Confirm the grille is free of obstruction and, if the grille is visibly damaged, replace the component with a new one.
Highly Likely
05 - Amana Microwave Control Module
If the microwave exhaust fan is not working, the control module might be defective. However, this is not usually the case. Before replacing the control module, first check the exhaust fan motor and wiring. If the exhaust fan motor is not getting power, the control module might be at fault and require replacement.
Common
06 - Amana Microwave Micro Switch
A defective micro switch may not signal the control board that the door is closed, which can prevent the button that controls the exhaust fan from functioning. To determine if any of the micro switches are defective, use a multimeter to test each of the switches for continuity. If any of the switches do not have continuity, the switch or switches should be replaced.
Common
Frequently Asked Questions
Why is my Amana microwave exhaust fan not working?
How do I test an Amana microwave exhaust fan motor?
Can a microwave door switch cause the exhaust fan to stop working?
Why does my microwave fan run but not pull air?
How do I find the correct Amana microwave exhaust fan part?
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