Proline Noisy Convection / Cooling Fan

Microwave convection or grill fan is very noisy or rattling during operation.

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.

Possible Causes

Worn fan motor bearings, Loose fan blade, Debris caught in fan, Bent fan shroud

User-level checks:

Ensure no loose items are on top of or behind the microwave that could vibrate.
Listen to identify whether the noise comes from the rear, side, or top of the unit.

If noise is clearly internal and persistent:

The convection or cooling fan motor may need cleaning, tightening, or replacement by a technician.

Medium 3/5

Cooling Fan Motor

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