Liebherr
No Power / Main Supply Fault
Wine cooler not starting at all; display and lights are off; no signs of power.
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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
Blown household fuse or tripped breaker, Faulty power cord, Defective main control board power supply, Loose mains terminal block connection
How to Fix / Troubleshooting
Safety first: Always switch off the circuit breaker before inspecting the outlet or wiring. Mains voltage is dangerous.
Steps:
- 1. Check outlet: Test the wall socket with another appliance. Reset any tripped breakers or replace blown fuses.
- 2. Inspect power cord: Look for visible damage along the entire length. If damaged, do not use the appliance until the cord is replaced by a professional.
- 3. Verify plug seating: Ensure the plug is fully inserted and not loose.
- 4. Internal checks: If comfortable and with power off, remove the rear cover and inspect the mains terminal block and wiring to the control board for loose connections or burn marks.
- 5. Professional repair: If power is present at the terminal block but the display remains dead, the main control board or internal fuse is likely faulty and should be replaced by a technician.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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