Antarctic Star Short Cycling / Control Instability

Wine cooler cycles on and off very frequently (short cycling).

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Possible Causes

Temperature sensor located too close to evaporator, Oversensitive control algorithm, Poor air circulation around sensor, Ambient temperature fluctuations

How to Fix / Troubleshooting

Safety: Unplug the unit before repositioning sensors.

  • Check sensor placement: Ensure the cabinet thermistor is not directly in the cold air stream from the evaporator outlet. Reposition slightly if necessary.
  • Improve airflow: Avoid blocking vents with bottles or shelves. Maintain space around the sensor.
  • Stabilize environment: Keep the cooler away from heat sources and direct sunlight to reduce rapid ambient changes.
  • Control board: If short cycling persists and affects performance, the main control PCB may have a design or component issue and could be replaced.
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Repair Difficulty

Easy 2/5

Required Part

Cabinet Temperature Sensor (Thermistor)
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