F12
Asko
User Interface / Control Panel Communication Fault
Dishwasher displays F12; may not start or may stop with no obvious mechanical issue.
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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
Loose UI ribbon cable, Faulty user interface board, Moisture in control panel, Main control board communication failure
How to Fix / Troubleshooting
Safety: Disconnect power before removing the door panel or control panel.
- Remove outer door panel: Access the control panel by removing the screws along the inner edge of the door.
- Check ribbon cable: Inspect the flat ribbon cable between the user interface and main control board. Reseat both ends carefully.
- Look for corrosion or moisture: If there are signs of water ingress around the control panel, dry the area thoroughly and inspect the door gasket and vent for leaks.
- Visual inspection of boards: Check for burned components or discoloration on the UI and main control boards.
- If F12 persists: Either the UI board or main control board is likely defective. Replacement of one or both boards is typically required and may be best handled by a professional.
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Repair Difficulty
Hard
4/5
Required Part
User Interface Board
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