L1
Beko
Low Temperature Alarm / Overcooling
L1 or LO error, and the temperature display shows a very low value; bottles feel too cold or partially frozen.
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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
Stuck relay on main PCB keeping compressor on, faulty cabinet temperature sensor reading too high, incorrect thermostat calibration, ambient temperature too low for appliance location.
How to Fix / Troubleshooting
Safety: Unplug the unit before accessing internal components.
- Check setpoint: Verify that the temperature setting is not at the minimum. Adjust to a higher temperature and monitor for several hours.
- Relocate appliance: If the wine cooler is in a very cold room (e.g., unheated garage), move it to a location within the specified ambient range in the user manual.
- Inspect cabinet sensor: Access and test the cabinet NTC sensor. A sensor reading that is too high will cause overcooling. Replace if out of spec.
- Control board: If the compressor runs almost constantly regardless of the setpoint and the sensor is good, the compressor relay on the main PCB may be stuck closed. Replace the main control board.
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Repair Difficulty
Medium
3/5
Required Part
Main Control Board
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