E15
Adler
Communication Bus / UI Board Fault
Display shows E15; Adler ice maker indicates a communication error between user interface and main board.
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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 Adler UI board and main PCB, Damaged communication cable, Failed user interface board, Main board communication circuit failure
How to Fix / Troubleshooting
Safety first: Unplug the ice maker before removing the control panel.
- Access UI panel: Remove the front bezel or control panel cover to expose the Adler user interface board and wiring.
- Reseat connectors: Disconnect and reconnect the ribbon cable or harness between the UI and main board to ensure a solid connection.
- Inspect cable: Look for pinched, cut, or corroded wires along the communication harness.
- Check for moisture: Ensure no condensation or water has dripped onto the UI board; dry thoroughly if present.
- Replace faulty board or cable: If E15 persists, replace the Adler UI board first; if still unresolved, the main control board may also require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Adler User Interface Board
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