Silonn Keypad / User Interface Failure

Display works but buttons 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 under control panel, Worn or damaged touch buttons, Loose ribbon cable between UI and main board, Faulty control panel PCB

How to Fix / Troubleshooting

Safety first: Unplug the unit before removing the control panel.

Steps to restore button function:

  • Dry the panel: If the panel was splashed, unplug the unit and let it dry for several hours. Do not use a hair dryer on high heat.
  • Check cable: Remove the front or top cover to access the user interface board. Ensure the ribbon cable or connector to the main board is fully seated.
  • Clean contacts: If accessible, gently clean the connector contacts with isopropyl alcohol and reinsert.
  • Test operation: Reassemble and plug in. Test each button.
  • Replace UI board: If some or all buttons remain unresponsive, replace the control panel / user interface PCB.

When to call a professional: If disassembly is complex or you are unsure about cable routing, seek professional help.

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Repair Difficulty

Medium 3/5

Required Part

Control Panel / User Interface PCB
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