If your microwave exhaust fan has stopped working it may be because.
Exhaust fan microwave not working.
If the fan blades d.
If the fan blades d.
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If your microwave exhaust fan stopped working the issue may be a.
If the blades do not turn freely replace the fan motor.
If the exhaust fan on your over the range microwave is not.
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If the motor does not have continuity replace it.
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The thermostat is mainly responsible for monitoring the air temperature and turns the fan on when the need is there.
To determine if the fan motor is defective remove the fan motor from the microwave and try turning the fan blades by hand.
O turn freely use a multimeter to test the motor for incoming power and for continuity.
If the exhaust fan on your over the range microwave is not working.
How to fix a microwave fan that s not working charcoal filter.
If it becomes faulty or defective then the fan won t turn so you can test the thermostat using a multimeter for continuity.
If the motor has power but won t run replace it.
O turn freely use a multimeter to test the motor for incoming power and for continuity.
That can be rotated to blow straight up and out a vent or turned toward the front to blow out thru the grill.
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If the motor does not have continuity replace it.
No ductwork in the cabinet the exhaust is on the top of the microwave.
If the motor has power but won t run replace it.
It is a motor assy.
Another reason for microwave exhaust fan not working could be a problem with the thermostat.
The microwave will need to be removed from the cabinet and the vent piping checked for blockage.
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 microwave is vented to the rear and there is no air coming out the vent grill when the microwave is running something is wrong in the venting.