Washer-dryer shows E45; door lock and control board communication error.

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

Short circuit in door lock wiring, Damaged PCB track or triac, Incorrect replacement lock fitted, Moisture on PCB

Safety: Unplug the appliance.

Check correct parts: Verify that the door lock installed is the correct Zanussi part number for your model.
Inspect wiring: Look for signs of overheating or shorting in the harness between lock and PCB.
PCB replacement: If wiring and lock are correct, the PCB is likely damaged and should be replaced by a qualified technician.

Professional Required 5/5

Main Control Board (PCB)

Check Price on Amazon

We may earn a commission from links on this page.