While you wait for answers, we may have found some information which could help you.
Click here for Boiler Pressure Heating Systems
ariston boiler slow to ignite?
Error light blinking (orange colour) on Ariston e-combi boiler?
Why does my boiler remain ON - even when switch is moved to OFF?
No display on Ariston e-combi approx3yrs old?
I have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?
gas boiler keeps going to reset?