LG User Interface / Touch Panel Failure

The display panel is unresponsive. It's not possible to change the temperature or modes, but the appliance continues to cool.

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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 connecting to the main board, Moisture intrusion into control panel

How to Fix / Troubleshooting

Safety: Unplug the appliance before removing the control panel.

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

2 Videos

Repair Difficulty

Medium 3/5

Required Part

User Interface Board
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