While you wait for answers, we may have found some information which could help you.
Click here for Error Ariston HeI have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?
I have error code 108 on my Ariston Combi boiler what do I do to fix it?
Ariston Microgenus 23 MFFI PCB Defect?
What is the problem?
Why does my boiler remain ON - even when switch is moved to OFF?
error code e02 wont work when pressurised?