E2
Liebherr
Lower Zone Temperature Sensor Fault
E2 displayed on dual-zone Liebherr wine cooler; lower zone temperature unstable or not cooling.
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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
Defective NTC sensor in lower compartment, Damaged harness between lower sensor and control board, Loose connector at PCB
How to Fix / Troubleshooting
Safety first: Disconnect mains power before accessing the lower compartment sensor.
Steps:
- 1. Confirm zone mapping: Verify that E2 refers to the lower zone on your model.
- 2. Locate lower sensor: Remove shelves and locate the sensor cover on the rear or side wall of the lower compartment.
- 3. Inspect wiring: Check for pinched or cut wires, especially near shelf supports and panel edges.
- 4. Test sensor: Measure resistance and compare with expected NTC values or with the upper sensor.
- 5. Replace if faulty: Install a new Liebherr lower-zone NTC sensor and reconnect firmly.
- 6. Power up: Restore power and monitor the lower zone temperature over several hours.
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Repair Difficulty
Medium
3/5
Required Part
Lower Zone NTC Temperature Sensor
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