While you wait for answers, we may have found some information which could help you.
Click here for Pressure Valve Boilererror code e02 wont work when pressurised?
Error light blinking (orange colour) on Ariston e-combi boiler?
What is the problem?
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?