While you wait for answers, we may have found some information which could help you.
Click here for Ariston Mffi HotI have an Ariston Clas He system with an error code of 1P2?
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?
Ariston Microgenus 23 MFFI PCB Defect?
ariston boiler slow to ignite?