Danby Overcooling / Thermostat or Sensor Out of Calibration

Freezer interior temperature too cold; items near back are rock hard and ice cream is overly hard even at warmest 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

Faulty temperature sensor reading too warm, Control board not regulating compressor correctly, Sensor positioned incorrectly, Stuck relay on control board

How to Fix / Troubleshooting

Safety first: Avoid direct skin contact with extremely cold metal surfaces.

Steps to correct overcooling:

  • Verify with thermometer: Place a freezer thermometer in the center and compare to the setpoint. If actual temperature is much lower, a control issue exists.
  • Check sensor placement: Ensure the cabinet sensor is not located directly in the warmest or coldest spot; it should sense average air temperature.
  • Inspect sensor and wiring: Look for damage or loose connections. Replace the cabinet temperature sensor if readings are incorrect.
  • Control board: If the sensor is good but the compressor runs excessively and temperature stays too low, replace the main control board.

Tip: Avoid setting the control to the coldest setting unless necessary; mid-range is adequate for most uses.

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Repair Difficulty

Medium 3/5

Required Part

Cabinet Temperature Sensor (NTC Probe)
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