Viking
Overheating / Poor Ventilation
Microwave exterior or control panel becomes very hot to the touch during normal use.
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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
Blocked exterior vents, Failed internal cooling fan, Excessive cabinet enclosure, High ambient temperature around unit
How to Fix / Troubleshooting
Safety: If the exterior is too hot to touch comfortably, stop using the microwave and unplug it until the cause is found.
- Check installation: Verify that the Viking microwave has the required clearances specified in the installation manual. Do not enclose it tightly in cabinetry unless designed for built-in use.
- Clean vents and filters: Clean grease filters and clear any dust or grease from intake and exhaust vents.
- Inspect cooling fan: Ensure the internal cooling fan runs during cooking. If not, have the fan motor replaced.
- Reduce load: Avoid running long, high-power cycles back-to-back without allowing the unit to cool.
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Repair Difficulty
Medium
3/5
Required Part
Cooling Fan Motor
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