While you wait for answers, we may have found some information which could help you.
Click here for Boiler Heating Water Heating
error code e02 wont work when pressurised?
Error light blinking (orange colour) on Ariston e-combi boiler?
Why does my boiler remain ON - even when switch is moved to OFF?
gas boiler keeps going to reset?
Ariston Microgenus 23 MFFI PCB Defect?
I have an Ariston Clas He system with an error code of 1P2?