Asko
Overcooling – Thermostat or Sensor Out of Calibration
Freezer is too cold; items near the back are rock-hard or frosted; temperature does not respond to control changes.
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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 cabinet temperature sensor, Stuck relay on control board, Miscalibrated thermostat setting, Shorted sensor wiring
How to Fix / Troubleshooting
Safety first: Unplug the freezer before accessing sensors or control boards.
- Verify setpoint: Confirm the temperature setting is not accidentally set to the coldest level or fast-freeze mode.
- Check sensor placement: Ensure the cabinet sensor is not touching the evaporator or located in a direct cold air stream, which can cause false low readings.
- Inspect wiring: Look for damaged or shorted sensor wires that could force the control to run continuously.
- Replace faulty sensor or control: If the sensor tests out of range or the control does not respond to changes, replace the defective component.
After repair, monitor temperature with an accurate thermometer and adjust the setpoint as needed.
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Repair Difficulty
Medium
3/5
Required Part
Cabinet NTC Temperature Sensor
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