While you wait for answers, we may have found some information which could help you.
Click here for Boiler Ignite Combi Coupleerror code e02 wont work when pressurised?
Why does my boiler remain ON - even when switch is moved to OFF?
No display on Ariston e-combi approx3yrs old?
Error light blinking (orange colour) on Ariston e-combi boiler?
What is the problem?
I have error code 108 on my Ariston Combi boiler what do I do to fix it?