While you wait for answers, we may have found some information which could help you.
Click here for Problem Ravenheat HelpWhat is wrong with my ravenheat white star combination boiler,?
Ravenheat CSI 85 Red Light?
Faulty Worscester 35 CDi loosing pressure?
how can i ignite the pilot light on a ravenheat boiler?
ravenheat csi 120 no hot water?
Central heating but no hot water?