E18
Electrolux
Communication Error Between UI and Main Control
Electrolux ice maker shows E18; unit may intermittently stop and restart without completing cycles.
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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 communication harness, Damaged data cable, Faulty user interface board, Defective main control board
How to Fix / Troubleshooting
Safety First: Disconnect power before unplugging or reseating any control cables.
- Inspect harness: Locate the multi-wire harness or ribbon cable between the user interface and main control. Ensure both ends are fully seated and locked.
- Check for damage: Look for pinched, cut, or abraded sections of the cable. Replace if any conductors appear broken.
- Clean connectors: Use electronic contact cleaner on the connector pins if oxidation is visible. Allow to dry fully before reconnecting.
- Board substitution: If wiring is intact, one of the boards is likely faulty. Replace the user interface board first (typically easier), then the main control board if E18 persists.
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Repair Difficulty
Hard
4/5
Required Part
UI-to-Main Control Harness
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