Something stops the power

It does sound as if something on the machine is dragging the low-voltage supply down, rather than a simple plug fuse or dead socket. On these Zanussi/Electrolux machines, unplugging one connector and seeing the display wake up usually means either a short on that circuit, or a failing main PCB power supply that only copes when the load is reduced.

Before doing anything else, isolate the washing machine from the mains.

A few sensible checks:

1. Inspect the control panel wiring and connector If the four red wires go to the fascia/user interface, check for corrosion, burning, loose pins, or damaged insulation where the loom flexes or rubs. A shorted control panel or wiring fault could pull the supply down.

2. Check the door interlock circuit If the display returns but the machine only gives a slight drum movement and then stops, the door lock is worth checking. A faulty interlock can stop the programme from properly starting, although it would not usually explain the machine appearing completely dead on its own.

3. Look closely at the main PCB Remove the board cover and inspect for burnt components, cracked solder joints, or signs of overheating. On a 10-year-old Zanussi, failed components on the power supply side of the PCB are quite common.

4. Consider whether the fascia board is faulty If disconnecting that plug reliably brings the display back, the user interface board itself may be shorting internally.

5. Don’t keep powering it up repeatedly Reconnecting and testing repeatedly can damage the PCB further if there is a short.

Most likely it is either the front control panel/user interface or the main PCB, but without meter checks it’s hard to be certain. If you want to pursue it, a qualified engineer should test the PCB outputs and wiring properly. Any mains electrical work should be left to a competent repairer.

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