We may have found other answers which could help you.
Click here for Ariston Eurocombi Pumpariston boiler slow to ignite?
error code e02 wont work when pressurised?
Why does my boiler remain ON - even when switch is moved to OFF?
I have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?
What is the problem?
gas boiler keeps going to reset?