Montpellier Defrost / Airflow Imbalance

Frost or ice build-up on back wall or around evaporator inside wine cooler

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Possible Causes

Door frequently left open, Door gasket leaking warm air, Blocked air vents, Defrost heater or sensor fault on auto-defrost models

How to Fix / Troubleshooting

Safety: Unplug the unit before defrosting or removing panels. Do not use sharp tools to remove ice.

  • Manual defrost: Empty the cabinet, unplug the cooler, and leave the door open until all ice melts. Place towels to catch water.
  • Check vents and loading: Ensure interior air vents are not blocked by bottles or shelves. Maintain some space between bottles for airflow.
  • Inspect gasket: Repair or replace a leaking door gasket that allows moist air in.
  • Repeat occurrence: If heavy frost returns quickly, the defrost system (heater or sensor) may be faulty on models that have one. Follow defrost error procedures or contact a technician.
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Repair Difficulty

Easy 2/5

Required Part

Door Gasket / Defrost Heater
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