De Dietrich
User Interface / Control Panel Fault
Dishwasher powers on but will not start cycle; Start button unresponsive
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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
Faulty touch control panel, Stuck or broken Start button, Damaged ribbon cable between UI and main board, Control board input failure
How to Fix / Troubleshooting
Safety first: Unplug the dishwasher before removing the door panel.
- Check child lock: Verify that any child lock function is not activated. Refer to the user manual to disable it.
- Reset appliance: Turn off power at the breaker for 5 minutes, then restore power and try again.
- Inspect control panel: Remove the inner door panel to access the user interface board. Check for moisture, corrosion, or loose connectors.
- Check ribbon cable: Ensure the flat cable between the UI and main board is fully seated and not damaged. Reseat both ends.
- Replace UI if needed: If specific buttons do not respond and the panel shows signs of failure, replace the user interface assembly with the correct De Dietrich part.
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Repair Difficulty
Medium
3/5
Required Part
User Interface Control Panel
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