While you wait for answers, we may have found some information which could help you.
Click here for Hot Water BoilerNo display on Ariston e-combi approx3yrs old?
Error light blinking (orange colour) on Ariston e-combi boiler?
error code e02 wont work when pressurised?
boiler keeps going out?
gas boiler keeps going to reset?
I have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?