While you wait for answers, we may have found some information which could help you.
Click here for Mffi Boiler Waterariston boiler slow to ignite?
I have an Ariston Clas He system with an error code of 1P2?
boiler keeps going out?
error code e02 wont work when pressurised?
gas boiler keeps going to reset?
Error light blinking (orange colour) on Ariston e-combi boiler?