Miele Condenser Heat Dissipation / Mullion Heater Overheating

Exterior side walls or door edges feel very hot to the touch.

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

Dirty condenser coils, Failed condenser fan, Ambient temperature too high, Mullion heater running excessively due to gasket leaks

Safety: Unplug the unit before cleaning coils or accessing the rear.

Steps:

Clean condenser: Vacuum and brush dust from condenser coils.
Check condenser fan: Ensure the fan runs when the compressor is on; replace if not.
Inspect door seals: Fix leaks that cause the mullion heater to run more often.

Some warmth is normal, but if surfaces are too hot to touch comfortably, contact a technician.

Medium 3/5

Condenser Fan Motor

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