We may have found other answers which could help you.
Success
Message
Ferroli Optimax HE31c a26 problem?
Ferolli Optimax HE 31C expansion vessel change?
F40 fault?
How turn off heating in Ferolli Optimax 31c?
i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
How can i repair a noCN fault on my boiler?
FF360 Reset Button Problem?
Parts for ferroli optimax he 31c ?
Replace a diverter valve?
Hi how to increase the water pressure on ferroli optimax 25C?
Ferroli DOMIcompact F 30 D?
ferroli plus 31c has a code b2 any ideas?