E11
Adler
Main Control Board Failure
Display shows E11; control panel is responsive but no components (pump, fan, compressor) start.
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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
Failed Adler main PCB relay outputs, Burnt trace on control board, Corrupted control firmware, Power surge damage
How to Fix / Troubleshooting
Safety first: Unplug the ice maker before opening the control compartment.
- Verify power input: Confirm correct voltage at the Adler ice maker's power terminal block using a multimeter.
- Inspect control board: Remove the control cover and visually inspect the Adler main PCB for burnt components, bulging capacitors, or discoloration.
- Check fuses: Some Adler boards include onboard fuses; test and replace if blown, but investigate underlying causes.
- Test outputs: In service mode (if available), command individual loads (pump, fan, compressor) and check for output voltage from the board. Lack of output with proper input indicates a failed board.
- Replace control board: Transfer all connectors one at a time to a new Adler main control board, matching positions carefully.
- Initialize and test: Restore power, perform any required Adler initialization or calibration, and run a full cycle to ensure E11 is cleared.
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Repair Difficulty
Hard
4/5
Required Part
Adler Main Control Board (PCB)
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