Bertazzoni
Ventilation / Cooling Deficiency
Microwave exterior or control panel becomes 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 external vents, Failed internal cooling fan, Clogged grease or charcoal filters, Incorrect built-in installation restricting airflow
How to Fix / Troubleshooting
Safety first: Unplug the microwave and allow it to cool before touching vents or filters.
- Step 1 – Check clearances: Ensure the microwave has the required space around it as per the Bertazzoni installation guide.
- Step 2 – Clean filters: Remove and clean grease filters; replace charcoal filters if saturated.
- Step 3 – Inspect vents: Make sure cabinet trim or decorative panels are not blocking intake or exhaust vents.
- Step 4 – Fan operation: Listen for the internal cooling fan during operation. If silent, have the fan motor inspected and replaced if necessary.
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Repair Difficulty
Medium
3/5
Required Part
Cooling Fan Motor
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