While you wait for answers, we may have found some information which could help you.
Click here for Microgenus 23 MffiError 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?
ariston boiler slow to ignite?
gas boiler keeps going to reset?
No display on Ariston e-combi approx3yrs old?
Ariston Microgenus 23 MFFI PCB Defect?