While you wait for answers, we may have found some information which could help you.
Click here for Temp Hot Cold Hot TimeI have an Ariston Clas He system with an error code of 1P2?
ariston boiler slow to ignite?
Why does my boiler remain ON - even when switch is moved to OFF?
error code e02 wont work when pressurised?
I have error code 108 on my Ariston Combi boiler what do I do to fix it?
What is the problem?