Amana
Vent/Exhaust Fan Failure
Microwave exhaust fan does not run or only runs at one speed on an over-the-range Amana microwave.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed exhaust fan motor, Faulty fan speed switch or relay on control board, Obstructed fan blades, Loose wiring to fan motor
How to Fix / Troubleshooting
Safety First: Unplug the microwave or turn off power at the breaker before servicing the fan.
- Check fan settings: Verify that the fan is not set to Auto mode that only runs with certain conditions. Try all speed settings.
- Inspect filters: Remove and clean or replace the grease filters. Clogged filters can strain the fan.
- Access fan motor: Remove the top grille and, if necessary, the unit from the wall to access the exhaust fan assembly. Check for obstructions or debris in the fan blades.
- Test motor: Use a multimeter to test the fan motor windings. Replace the motor if open or seized.
- Control issues: If the motor is good but never receives power, the control board fan relay or fan switch may be defective and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Exhaust Fan Motor
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