We may have found other answers which could help you.
Click here for Boiler Combi Ravenheatravenheat csi 85(t) 780 series red light flashing?
ravenheat csi 85 b (t) hot water no central heating?
pressure dropping on openning the hot water in my ravenheat csi 85 aboiler?
Faulty Ravenheat condensing boiler?
csi 85t ravenheat no power at fan?
ravenheat csi 120 no hot water?