While you wait for answers, we may have found some information which could help you.
Click here for Ravenheat Light FireCentral heating but no hot water?
Faulty Ravenheat condensing boiler?
pressure dropping on openning the hot water in my ravenheat csi 85 aboiler?
how can i ignite the pilot light on a ravenheat boiler?
ravenheat csi 120 no hot water?
ravenheat csi 85(t) 780 series red light flashing?