While you wait for answers, we may have found some information which could help you.
Click here for Boiler Water Warm TapI have an Ariston Clas He system with an error code of 1P2?
ariston boiler slow to ignite?
No display on Ariston e-combi approx3yrs old?
error code e02 wont work when pressurised?
gas boiler keeps going to reset?
I have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?