While you wait for answers, we may have found some information which could help you.
Click here for Replaced Air HelpI have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?
Why does my boiler remain ON - even when switch is moved to OFF?
boiler keeps going out?
Error light blinking (orange colour) on Ariston e-combi boiler?
ariston boiler slow to ignite?
I have error code 108 on my Ariston Combi boiler what do I do to fix it?