E1
Liebherr
Upper Zone Temperature Sensor Fault
E1 displayed on dual-zone Liebherr wine cooler; one zone not controlling temperature correctly.
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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
Failed NTC sensor in upper compartment, Broken sensor wiring in upper zone, Loose connector on control board for upper sensor
How to Fix / Troubleshooting
Safety first: Unplug the appliance before working inside the cabinet.
Steps:
- 1. Identify affected zone: Confirm that E1 corresponds to the upper zone on your specific model (check user manual if available).
- 2. Locate upper sensor: Find the small sensor cover or probe on the rear or side wall of the upper compartment.
- 3. Inspect and test: Remove the cover, check for damage, and measure sensor resistance. Compare with the lower zone sensor if identical.
- 4. Replace sensor: Install a new Liebherr upper-zone NTC sensor, routing the cable along the original path and securing it away from shelves.
- 5. Reassemble and test: Restore power and verify that E1 clears and the upper zone stabilizes at the set temperature.
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Repair Difficulty
Medium
3/5
Required Part
Upper Zone NTC Temperature Sensor
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