Electrolux
Overheating / Ventilation Problem
Microwave cavity or exterior surfaces become excessively 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 ventilation grills, Failed cooling fan, Incorrect built-in installation, Grease-clogged filters (over-the-range models)
How to Fix / Troubleshooting
Safety: If surfaces are too hot to touch comfortably, unplug the microwave and allow it to cool.
User-level steps:
- Check clearances: Verify that the microwave has the clearances specified in the Electrolux installation guide.
- Clean filters: On over-the-range models, remove and clean the grease filters with warm soapy water; dry thoroughly before reinstalling.
- Clear vents: Ensure that cabinet trim or objects on top of the microwave are not blocking vents.
Technician-level steps:
- Test the cooling fan motor for proper operation.
- Inspect internal air channels for obstructions.
- Verify that thermostats and thermal cut-outs are functioning correctly.
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Repair Difficulty
Medium
3/5
Required Part
Cooling Fan Motor
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