We may have found other answers which could help you.
Click here for Ferroli Modena 102 AppearF40 fault?
Ferolli Optimax HE 31C expansion vessel change?
How can i repair a noCN fault on my boiler?
i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
How turn off heating in Ferolli Optimax 31c?
Hi how to increase the water pressure on ferroli optimax 25C?