Temperature display does not match actual temperature measured with a thermometer.

Unplug the cooler before moving sensors.

Steps:

• Verify with accurate thermometer: Place a reliable thermometer in the center of the cabinet away from walls and compare readings after several hours of stable operation.
• Adjust sensor position: If the sensor is touching the cold plate or near the door, reposition it to a more central location on the rear wall using the original clip or a new mount.
• Replace sensor: If readings remain significantly off, replace the cabinet temperature sensor.
• Board calibration: Some models allow minor calibration via service mode; consult the service manual. Otherwise, a faulty main control board may need replacement.