Maytag
Hood Vent Fan Failure
Microwave hood vent fan does not run or has very weak airflow when turned on.
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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 hood fan motor, Obstructed blower wheel or vent duct, Incorrect damper installation, Faulty fan switch or control board relay
How to Fix / Troubleshooting
Safety first: Unplug the microwave before accessing the fan or ductwork.
Basic checks:
- Verify that the vent filters are clean.
- Check for obstructions in the vent outlet or duct (birds' nests, debris, etc.).
Fan motor:
- Remove the top grille and access the hood fan motor and blower wheel.
- Inspect for obstructions or a loose blower wheel.
- If the motor hums but does not turn, or does not run at all, it may need replacement.
Control:
- If the motor tests good but does not receive power when the fan is turned on, the control board fan relay or fan switch may be faulty.
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Repair Difficulty
Hard
4/5
Required Part
Hood Fan Motor
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