U14
Panasonic Control Panel Key Input Error

Display shows U14, refrigerator may not respond to some control inputs

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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

Stuck or shorted touch key, Moisture under control panel, Damaged control PCB, Loose ribbon cable

How to Fix / Troubleshooting

Safety: Unplug the refrigerator before removing the control panel.

  • Step 1 – Dry the panel: If condensation or spills occurred, wipe the surface and allow the panel to dry completely.
  • Step 2 – Reset: Disconnect power for 5 minutes, then reconnect. If U14 persists, continue.
  • Step 3 – Inspect ribbon cable: Remove the control panel and check the flat cable between the panel and main PCB. Reseat both ends.
  • Step 4 – Replace control PCB: If certain keys remain unresponsive or U14 continues, replace the Panasonic control panel PCB.
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Repair Difficulty

Medium 3/5

Required Part

Control Panel PCB
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