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