While you wait for answers, we may have found some information which could help you.
Click here for Boiler Pressure Heating Systems
error code e02 wont work when pressurised?
I have error code 108 on my Ariston Combi boiler what do I do to fix it?
I have an Ariston Clas He system with an error code of 1P2?
ariston boiler slow to ignite?
What is the problem?
Error light blinking (orange colour) on Ariston e-combi boiler?