De Dietrich Keypad or 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

Worn touch panel, Moisture behind control panel, Loose ribbon cable to main board, Cracked control PCB

How to Fix / Troubleshooting

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

Fix steps:

  • Remove control panel: Carefully pry or unscrew the user interface panel to access the keypad and PCB.
  • Dry moisture: If condensation is present, dry the area thoroughly and check for water entry points.
  • Reseat ribbon cable: Disconnect and reconnect the ribbon cable between the display/keypad and main board.
  • Inspect for cracks: Replace the keypad or UI PCB if there are visible cracks or burnt areas.
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Repair Difficulty

Medium 3/5

Required Part

User Interface Board
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