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HomeRepair HelpAdmiral Microwave RepairAdmiral Microwave exhaust fan not working Repair
Admiral Microwave exhaust fan not working
If your Admiral over-the-range microwave exhaust fan is not working, start with the door switch, which may not signal the control board that the door is closed. Test the primary, secondary, or interlock door switch for continuity with a multimeter and replace any switch that fails. Next, check the exhaust fan motor. The fan blades should turn freely by hand. If the motor has incoming power but will not run, or it lacks continuity, replace the motor. A defective thermostat can also keep the exhaust fan from turning on, so test it for continuity. Check the grille for grease buildup, blockage, or visible damage, since restricted airflow can make the vent seem ineffective even when the fan runs. If the motor is not receiving power, the control module may be faulty, although it is less common than a bad motor or wiring. A separate micro switch can cause the same door-signal problem and should also be tested. Enter your model number to find the exact replacement part for your Admiral microwave. If any repair requires removing the outer cabinet, unplug the microwave first and note that the high-voltage capacitor can store a lethal charge even when unplugged. It must be properly discharged, so use a qualified technician if you are not familiar with that procedure.
01 - Admiral 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 - Admiral 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 - Admiral 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 - Admiral 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 - Admiral 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 - Admiral 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 Admiral microwave exhaust fan not working?
How do I test an Admiral microwave fan motor?
Can a door switch cause my microwave fan to stop working?
Could the thermostat or grille be causing the microwave exhaust fan problem?
How do I find the correct Admiral microwave exhaust fan part?
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