We may have found other answers which could help you.
Click here for Problem Ferroli BoilerHow can i repair a noCN fault on my boiler?
Ferroli DOMIcompact F 30 D?
Connections on Ferroli F24 Gas Valve?
I have a Ferroli FF 77 the pilot light has gone out will not stay on ?
Replace a diverter valve?
F40 fault?