Antarctic Star Insufficient Cooling / Sealed System Performance Loss

Wine cooler runs but does not get cold enough; interior stays above 60°F even at lowest setting.

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Safety Warning

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.

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Possible Causes

Dirty condenser coil, Weak or failing compressor, Low refrigerant charge due to micro-leak, Condenser fan not moving enough air

How to Fix / Troubleshooting

Safety: Unplug the Antarctic Star wine cooler before cleaning or accessing the rear compartment. Sealed system repairs involve refrigerant and must be done by a licensed technician.

  • Verify settings and environment: Confirm the temperature is set correctly and the room temperature is within the specified range (typically below 85–90°F).
  • Clean condenser coil: Remove the rear lower panel. Use a soft brush and vacuum to clean dust from the condenser coil and surrounding area.
  • Check condenser fan: With the panel off, briefly plug in the unit and verify the condenser fan runs when the compressor is on. Replace the condenser fan motor if it does not run or is very weak.
  • Door seal check: Inspect the door gasket for gaps or damage. Replace the door gasket if it does not seal tightly.
  • Monitor compressor: If the compressor runs continuously, is very hot, and cooling is still poor, the sealed system (compressor/refrigerant) may be failing. Do not attempt to open the sealed system yourself; contact a professional refrigeration technician.
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Repair Difficulty

Professional Required 5/5

Required Part

Condenser Coil
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