question about aeg washing machine

This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.

AEG EWM 1000 PCB/microprocessor swap compatibility query

The problem

The user asked whether a microprocessor from one AEG EWM 1000 washing machine could be fitted to a different AEG EWM 1000 model, and was concerned that programme settings might differ. They also noted that a replacement board with the exact same codes was expensive, while cheaper used boards had different codes despite similar connections and schematic layout.

Likely cause

No appliance fault was confirmed. The discussion supports that compatibility between boards or microprocessors is uncertain because manufacturers can change components while keeping the same model designation, so different PCB or motor variants may exist.

What fixed it

The accepted advice was that appliance engineers would normally replace a complete PCB rather than repair or swap microprocessors. A swap might work only if the microprocessor is actually faulty and the parts are genuinely the same, but exact compatibility was not confirmed. Further diagnosis should be carried out by a suitably qualified appliance engineer.

Checks to try

• Comparison of board codes
• Comparison of schematic and electrical connections

Parts or tools mentioned

• Replacement PCB/control board
• Used board with different codes
• Microprocessor