Haier
Display / Sensor Reading Error
Digital display shows dashes or unrealistic temperatures (e.g., 88°C) but freezer seems to 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
Loose display connector, Faulty temperature sensor, Display PCB malfunction, Electrical noise on sensor lines
How to Fix / Troubleshooting
Safety first: Disconnect power before accessing the control panel.
- Reseat connectors: Remove the control panel and reseat the display and sensor connectors.
- Test sensors: Measure resistance of cabinet and freezer NTC sensors and replace any that are out of spec.
- Inspect display PCB: Look for corrosion or damage. Replace the display board if readings remain erratic with good sensors.
- Check grounding: Ensure the freezer's ground connection is secure to reduce electrical noise.
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Repair Difficulty
Medium
3/5
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