While you wait for answers, we may have found some information which could help you.
Click here for Ariston Boiler Faulterror code e02 wont work when pressurised?
gas boiler keeps going to reset?
Why does my boiler remain ON - even when switch is moved to OFF?
I have an Ariston Clas He system with an error code of 1P2?
No display on Ariston e-combi approx3yrs old?
What is the problem?