Thermador
Door Mullion Heater or Condenser Overheating
Warm air or condensation around door edges; doors feel hot.
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Possible Causes
Dirty condenser coils, Inoperative condenser fan, High ambient temperature, Mullion heater running continuously
How to Fix / Troubleshooting
Safety first: Unplug the refrigerator before cleaning coils.
Steps to check:
- Clean condenser: Vacuum and brush the condenser coils to improve heat dissipation.
- Check condenser fan: Ensure the fan runs when the compressor is on. Replace if not operating.
- Ventilation: Confirm adequate clearance around the refrigerator for airflow.
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Repair Difficulty
Easy
2/5
Required Part
Condenser Fan Motor
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