Lanbo
Erratic Temperature Reading
Temperature display fluctuates rapidly or shows unrealistic values (e.g., jumping from 45°F to 65°F).
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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 wiring, Electrical interference from other appliances, Failing main control board ADC circuit
How to Fix / Troubleshooting
Unplug the cooler before checking wiring.
- 1. Verify with a thermometer:
- Place a separate thermometer inside to confirm actual temperature stability.
- 2. Inspect sensor harness:
- Access the cabinet sensor and follow its wiring to the main board.
- Look for loose connectors or damaged insulation.
- 3. Reseat connectors:
- Disconnect and reconnect the sensor plug at the control board.
- 4. Replace sensor if needed:
- If readings remain erratic, install a new Lanbo cabinet temperature sensor.
- 5. If issue persists:
- The main control board analog-to-digital converter may be faulty and require replacement.
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Repair Difficulty
Medium
3/5
Required Part
Cabinet Temperature Sensor (NTC)
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