Hi
Climadiff
Temperature Above Display Range / Sensor Overrange
Display shows Hi instead of a temperature; cabinet is warm.
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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
Door left open, Failed compressor or cooling module, Open-circuit NTC sensor, Control board not reading sensor
How to Fix / Troubleshooting
Safety: Avoid storing valuable wine in a unit that cannot maintain temperature.
- Check door seal and usage: Ensure the door is fully closing and not being opened excessively.
- Test NTC sensor: An open sensor will often cause a Hi reading. Measure resistance; if infinite, replace the sensor.
- Verify cooling system: Listen for compressor or Peltier module operation. If silent and the fan is off, suspect a control or power issue.
- Clean condenser and check fan: Overheating can also cause high temperatures; clean and verify fan operation.
- If no improvement: Further diagnosis of the sealed system or PCB by a technician is recommended.
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Repair Difficulty
Medium
3/5
Required Part
Cabinet NTC Temperature Sensor
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