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                Why does my boiler remain ON - even when switch is moved to OFF?
 
                I have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?
 
                error code e02 wont work when pressurised?
 
                I have an Ariston Clas He system with an error code of 1P2?
 
                boiler keeps going out?
 
                Error light blinking (orange colour) on Ariston e-combi boiler?