i81
AEG
Internal Communication / Configuration Fault
Dishwasher shows i81 and may not complete cycles correctly.
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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
Corrupted configuration data, Faulty main PCB, Loose connector between user interface and main board on AEG dishwasher
How to Fix / Troubleshooting
Safety first: Disconnect power before opening the door panel.
- Reset power: Unplug for 10–15 minutes, then reconnect and test.
- Inspect UI-to-main-board cable: Remove the inner door panel and check the ribbon cable between the display/control module and the main PCB. Reseat both ends.
- Check for moisture damage: Look for signs of condensation or corrosion on the control electronics. Dry gently if damp.
- Professional service: If the error persists, the main PCB likely needs replacement.
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Video Guide
Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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