Montpellier Temperature Calibration / Sensor Drift

Wine cooler display shows temperature but actual interior is much warmer or colder

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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

Aged NTC sensor, Sensor not in correct location, Control board calibration error

How to Fix / Troubleshooting

Safety: Unplug before moving sensors.

  • Verify with thermometer: Place a reliable thermometer in the center of the cabinet and compare to the display.
  • Reposition sensor: Ensure the sensor is in its factory location, not touching the evaporator or door.
  • Replace sensor: If readings remain inaccurate, replace the NTC sensor with a Montpellier-compatible part.
  • Control calibration: Some models allow minor offset adjustment via service mode; otherwise, a miscalibrated board may need replacement.
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Repair Difficulty

Medium 3/5

Required Part

Cabinet NTC Temperature Sensor
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