TYLZA
Erratic Temperature Reading
Temperature display fluctuates rapidly or shows unrealistic values while the interior feels stable.
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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 temperature sensor connection, Damaged sensor cable, Electrical interference near sensor wiring, Failing main control board ADC circuit
How to Fix / Troubleshooting
Safety: Unplug the unit before accessing sensors or the control board.
- Check sensor harness: Locate the cabinet sensor wiring and ensure connectors are tight at both the sensor and main board.
- Inspect cable routing: Make sure sensor wires are not routed alongside high-voltage lines or compressor leads, which can introduce noise.
- Test sensor: Measure resistance at a stable temperature and confirm it does not jump erratically.
- Replace sensor or board: If the sensor tests unstable, replace it. If the sensor is stable but readings on the display are not, the main control board may need replacement.
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Repair Difficulty
Hard
4/5
Required Part
Cabinet Temperature Sensor
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