While you wait for answers, we may have found some information which could help you.
Click here for Ariston Genus HotI have error code 108 on my Ariston Combi boiler what do I do to fix it?
error code e02 wont work when pressurised?
Ariston Microgenus 23 MFFI PCB Defect?
ariston boiler slow to ignite?
Why does my boiler remain ON - even when switch is moved to OFF?
Error light blinking (orange colour) on Ariston e-combi boiler?