Washer-dryer displays E90 and will not start or behaves erratically.

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.

Possible Causes

Corrupted EEPROM data, Incompatible or replaced PCB not configured, Loose control panel connection, Software fault

Safety: Unplug the appliance before removing the control panel.

Power reset: Leave the machine unplugged for 10–15 minutes, then reconnect and try again.
Check control connections: Remove the top cover and control panel. Ensure all ribbon cables and connectors between the user interface and main PCB are fully seated.
Configuration: If a PCB has been replaced, it may require programming with the correct AEG configuration code using service tools.

E90-series faults often require an authorized AEG technician with access to service software.

Professional Required 5/5

Main Control Board (AEG PCB)

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