CE
Samsung
Communication Error Between Main PCB and Display/Control Panel
Dishwasher shows CE and may not start or may stop mid-cycle.
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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 harness between control boards, Moisture in control panel, Failed main PCB, Failed user interface board
How to Fix / Troubleshooting
Safety: Disconnect power before removing the door panel or control panel.
- Power reset: Turn off the breaker for 5 minutes, then restore power to see if the error clears.
- Inspect door control connections: Remove the inner door panel to access the user interface board. Check ribbon cables and connectors for secure fit and signs of corrosion.
- Dry moisture: If there is condensation or water intrusion in the control area, dry thoroughly and identify the source of the leak (e.g., vent gasket).
- Board replacement: If connections are good but CE persists, either the main PCB or the UI board may be defective and require replacement. It is often best to have a technician diagnose which board is faulty.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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