E20 what does it mean ?

http://www.ukwhitegoods.co.uk/forumsphpbb3/zanussi-e20-error-code-but-can-drain-t73765.html

You COULD have done a Google search for "Zanussi E20" - and even better put the model number in as well. (so long as you spell everything correctly!).

Took me all of 30 seconds to find that - and there's plenty more out there.

XXX
December 2015