While you wait for answers, we may have found some information which could help you.
Click here for Installed Weeks AgoFaulty Ravenheat condensing boiler?
ravenheat csi 85 b (t) hot water no central heating?
Faulty Worscester 35 CDi loosing pressure?
csi 85t ravenheat no power at fan?
pressure dropping on openning the hot water in my ravenheat csi 85 aboiler?
What is wrong with my ravenheat white star combination boiler,?