Caple User Interface Keypad Failure

Control panel not responding; buttons do nothing but display is lit

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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

Failed touch sensor or membrane keypad, Loose ribbon cable between UI and main PCB, Moisture ingress into control panel, Firmware lockup

How to Fix / Troubleshooting

Safety: Unplug the freezer before opening the control panel.

Steps to restore control panel function:

  • 1. Attempt reset: Disconnect power for 10 minutes, then reconnect. Sometimes this clears a firmware lockup.
  • 2. Inspect control panel: Remove the fascia to access the user interface PCB and ribbon cable.
  • 3. Reseat ribbon cable: Carefully unplug and reinsert the cable between the UI and main PCB, ensuring correct orientation.
  • 4. Check for moisture: Dry any condensation or spills inside the panel. If corrosion is present, the UI PCB may need replacement.
  • 5. Replace UI PCB: If specific buttons or the entire keypad remain unresponsive, fit a new Caple user interface board.

Note: After replacement, reconfigure any settings as per the user manual.

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Repair Difficulty

Medium 3/5

Required Part

User Interface PCB
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