E43
What code E43 means on a Zanussi washing machines, what causes it, and which part to check first.
● SEVERITY: HIGH
Zanussi E43 means: Door lock control circuit fault electrical fault in door lock circuit. The documented cause is: Wiring fault between door interlock and control board. Faulty control board door lock circuit.
What E43 means
Door lock control circuit fault electrical fault in door lock circuit
The display shows E43 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by whitegoodshelp.co.uk
| DOCUMENTED CAUSE OR CHECK |
|---|
| Wiring fault between door interlock and control board |
| Faulty control board door lock circuit |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. Water and mains electricity sit centimetres apart inside a washing machine. If the drum still holds water, drain it from the filter first — it can be scalding.
What to check, in order
From the quickest check to the one that needs a technician.

Find a specialist
TroubleAtlas Pro
TroubleAtlas Certified

What is the TroubleAtlas Score?
Beyond fault codes and specialists, we rate the reliability of appliance brands and models — a transparent score that owes nothing to the manufacturer. The reference to check before you buy or repair.
See all appliance scores →TA YouTube Channel
Frequently asked questions
What does E43 mean on a Zanussi?
Door lock control circuit fault electrical fault in door lock circuit The documented cause is: Wiring fault between door interlock and control board. Faulty control board door lock circuit.
Can I fix E43 myself?
It depends on the part involved: Wiring fault between door interlock and control board. Faulty control board door lock circuit. Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Zanussi use other codes on this appliance?
Yes: we document 44 other codes for Zanussi on this washing machines. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.

