Viking
Exhaust / Vent Fan Failure
Over-the-range Viking microwave exhaust fan does not run or runs only on one speed.
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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, Obstructed fan blades, Loose wiring to fan
How to Fix / Troubleshooting
Safety: Unplug the microwave before servicing the exhaust fan. Blades can be sharp.
- Check controls: Verify that the fan is turned on at the control panel and try all speed settings.
- Inspect filters: Remove and clean or replace grease filters. Excess grease can restrict airflow and strain the fan.
- Access fan: Remove the top grille and, if necessary, the cabinet to access the exhaust fan assembly. Inspect for obstructions or seized bearings.
- Check wiring: Ensure the fan motor harness is securely connected.
- Replace fan motor: If the motor does not run when commanded (testing recommended for professionals), replace the Viking exhaust fan motor.
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Repair Difficulty
Medium
3/5
Required Part
Exhaust Fan Motor
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