While you wait for answers, we may have found some information which could help you.
Click here for Low Ariston BoilerAriston Microgenus 23 MFFI PCB Defect?
ariston boiler slow to ignite?
Error light blinking (orange colour) on Ariston e-combi boiler?
I have error code 108 on my Ariston Combi boiler what do I do to fix it?
No display on Ariston e-combi approx3yrs old?
I have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?