Haier Sensor Disconnected / Out-of-Range Reading

Display shows dashes (--) or blank temperature instead of a numeric value, but no specific error code.

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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

Unplugged or broken temperature sensor harness, Sensor shorted by moisture, Loose connector at control PCB, Faulty sensor

How to Fix / Troubleshooting

Safety: Unplug the wine cooler before accessing sensors or control boards.

Steps to restore temperature display:

  • Locate the relevant sensor: Identify whether the issue is with the cabinet, evaporator, or ambient sensor based on model documentation.
  • Inspect wiring: Check the sensor harness from the sensor location to the control board for breaks or disconnections.
  • Reseat connectors: Unplug and firmly reconnect the sensor plug at the control PCB.
  • Test sensor: Measure resistance with a multimeter at room temperature. Replace the sensor if open, shorted, or far from expected values.
  • Reassemble and test: Restore power and confirm that the numeric temperature display returns.
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Repair Difficulty

Medium 3/5

Required Part

Cabinet Temperature Sensor (NTC Probe)
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