While you wait for answers, we may have found some information which could help you.
Click here for Fault Working WeekNo display on Ariston e-combi approx3yrs old?
Ariston Microgenus 23 MFFI PCB Defect?
boiler keeps going out?
error code e02 wont work when pressurised?
What is the problem?
I have error code 108 on my Ariston Combi boiler what do I do to fix it?