Haier High Humidity / Mullion Heater or Gasket Issue

Condensation or sweating on the exterior cabinet or around the door gasket.

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Possible Causes

High room humidity, Door gasket not sealing, Mullion heater (if equipped) not operating, Freezer installed in damp area

How to Fix / Troubleshooting

Safety first: Wipe up moisture promptly to prevent slipping and mold growth.

  • Improve environment: Use a dehumidifier in very humid rooms and ensure adequate ventilation around the freezer.
  • Check gasket seal: Clean and inspect the door gasket. Replace if damaged or not sealing.
  • Mullion heater (if present): Some Haier models have a heater around the door frame. If condensation is heavy only around the frame, the heater circuit may have failed and should be checked at the control board by a qualified technician.
  • Door usage: Minimize long door openings which introduce moist air.
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Repair Difficulty

Easy 2/5

Required Part

Door Gasket
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