EF0
What code EF0 means on a Zanussi washing machines, what causes it, and which part to check first.
● SEVERITY: HIGH
Zanussi EF0 means: Anti-flood, overflow, or over-foaming detected. The documented cause is: Water leakage into the machine base triggering the anti-flood float switch. Excessive foam from too much detergent or wrong detergent type confusing the water level sensor.
What EF0 means
Anti-flood, overflow, or over-foaming detected
The display shows EF0 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 |
|---|
| Water leakage into the machine base triggering the anti-flood float switch |
| Excessive foam from too much detergent or wrong detergent type confusing the water level sensor |
| Unbalanced load sensor on some models |
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.

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Frequently asked questions
What does EF0 mean on a Zanussi?
Anti-flood, overflow, or over-foaming detected The documented cause is: Water leakage into the machine base triggering the anti-flood float switch. Excessive foam from too much detergent or wrong detergent type confusing the water level sensor. Unbalanced load sensor on some models.
Can I fix EF0 myself?
It depends on the part involved: Water leakage into the machine base triggering the anti-flood float switch. Excessive foam from too much detergent or wrong detergent type confusing the water level sensor. Unbalanced load sensor on some models. 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.

