How to Fix / Troubleshooting

Safety: Unplug the unit before accessing sensors or control boards.

Steps:

Verify setpoint: Confirm the temperature setting is appropriate for wine (not at the lowest possible setting unless intentionally chilling).
Check actual temperature: Place a reliable thermometer inside and compare to the display. If actual is much colder, suspect the thermistor or control.
Inspect thermistor placement: Access the interior panel and ensure the thermistor is properly mounted and not hanging loose away from the liner.
Test thermistor: Measure resistance and compare to expected values. Replace if out of range.
Control board: If the sensor is good but the compressor runs excessively, the control board may be failing to cycle off and should be replaced.

Wine cooler is too cold; bottles or labels show frost or ice buildup.

Possible Causes