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