Samsung Control Panel Input Failure

Control panel buttons or touch keys do not respond or respond intermittently.

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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

Moisture or grease on touch surface, Damaged touch membrane, Loose ribbon cable, Failed control board input circuit

How to Fix / Troubleshooting

Safety first: For internal checks, turn OFF power at the breaker.

Surface cleaning:

  • Wipe the control panel with a soft, dry cloth. Remove any moisture or grease.
  • Avoid using excessive water or harsh cleaners.

Reset:

  • Turn power off for 5 minutes, then restore and test.

If specific keys still fail:

  • Remove the rear control panel cover and reseat the ribbon cable from the touch panel to the control board.
  • If keys remain unresponsive, the touch control panel or main PCB is likely defective and should be replaced by a technician.
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Repair Difficulty

Medium 3/5

Required Part

Touch Control Panel (Glass Touch Assembly)
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