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La Sommeliere
Temperature Reading Lost / Sensor Out of Range
Display shows dashes ("--") instead of a temperature reading; unit may or may not cool.
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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
Disconnected or failed temperature sensor, Sensor reading outside valid range, Broken harness between sensor and PCB, Control board input fault
How to Fix / Troubleshooting
Safety: Unplug the appliance before accessing internal panels.
Steps:
- 1. Identify which zone: On dual-zone models, determine which zone is showing dashes.
- 2. Access sensor: Remove shelves and the inner rear panel for the affected zone to locate the NTC sensor.
- 3. Check connection: Ensure the sensor plug is fully seated in the harness and that the harness is connected to the main PCB.
- 4. Test sensor: Measure resistance at the current temperature. If the reading is extremely high (open) or near zero (short), replace the sensor.
- 5. Replace sensor: Install a new La Sommeliere NTC temperature sensor and route wiring correctly.
- 6. Test display: Restore power and verify that the temperature reading returns and updates normally.
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Repair Difficulty
Medium
3/5
Required Part
Cabinet NTC Temperature Sensor
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