F2
LG
Power Supply or Voltage Error
Wine cooler displays F2 and interior light or display may flicker; unit may shut down unexpectedly.
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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
Internal power supply failure on main PCB, Loose power cord connection, Faulty outlet or power strip, Voltage surge damage
How to Fix / Troubleshooting
Safety: Always unplug the appliance before inspecting the power cord or internal components.
Steps:
- 1. Verify outlet: Plug a lamp or other device into the same outlet to confirm proper voltage and stability.
- 2. Inspect power cord: Check the LG wine cooler's power cord for cuts, kinks, or burn marks. Replace the cord if damaged.
- 3. Avoid extension cords: Plug the unit directly into a grounded wall outlet. Extension cords can cause voltage drops.
- 4. Inspect main PCB: Remove the control cover and look for burnt components or swollen capacitors in the power supply section.
- 5. Replace main control board: If the power supply section is visibly damaged or F2 persists despite a good outlet and cord, replace the main PCB.
- 6. Use surge protection: After repair, consider a quality surge protector to reduce future power-related failures.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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