While you wait for answers, we may have found some information which could help you.
Click here for Problem Fan TestedI have an Ariston Clas He system with an error code of 1P2?
ariston boiler slow to ignite?
What is the problem?
Why does my boiler remain ON - even when switch is moved to OFF?
I have error code 108 on my Ariston Combi boiler what do I do to fix it?
boiler keeps going out?