While you wait for answers, we may have found some information which could help you.
Click here for Slow Hot Water
Ferroli Optimax HE31c a26 problem?
How turn off heating in Ferolli Optimax 31c?
How can i repair a noCN fault on my boiler?
F40 fault?
i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
Parts for ferroli optimax he 31c ?
howtomendit.com for free repair help, information and advice.
