While you wait for answers, we may have found some information which could help you.
Click here for Stopped Working Fine Hotariston boiler slow to ignite?
gas boiler keeps going to reset?
Error light blinking (orange colour) on Ariston e-combi boiler?
I have an Ariston Clas He system with an error code of 1P2?
Why does my boiler remain ON - even when switch is moved to OFF?
Ariston Microgenus 23 MFFI PCB Defect?