AEG washer shows E66, no heating, sometimes with clicking noises from control board

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

Stuck or burnt heater relay on PCB, Dry solder joints on relay, Control board failure

Safety first: Disconnect mains power.

Check heater and NTC first: Confirm they are not the cause by testing resistance.
Inspect control board: Remove and visually inspect for burnt relay or cracked solder joints.

Relay replacement or board repair should be done by an electronics specialist or the entire AEG control board replaced.

Professional Required 5/5

AEG Main Control Board (ECU)

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