LG User Interface / Touch Panel Failure

Display panel unresponsive; cannot change temperature or modes, but cooling continues.

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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

Locked control panel (child lock), Faulty touch PCB, Loose ribbon cable to main board, Moisture intrusion into control panel

How to Fix / Troubleshooting

Safety: Unplug before removing the control panel.

  • Check lock: Verify that the control lock or child lock is not enabled. Disable according to the user manual.
  • Power reset: Unplug for 5 minutes and restore power to clear minor glitches.
  • Inspect connections: Remove the control panel and reseat the ribbon cable or harness.
  • Replace panel: If still unresponsive, replace the user interface/touch PCB with an LG-compatible part.
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Repair Difficulty

Medium 3/5

Required Part

User Interface Board
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