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Mend 30 boiler fire flashing

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]

Mend Heating, Home Heating Systems

Greenstar 24Ri boiler, fast flashing - can I reset?

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]

Mend Heating, Home Heating Systems

Oil fired boiler thermostat?

I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]

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Mend Ferroli Optimax He31c

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We have 26 questions about mending 'ferroli optimax he31c' in category Heating, Home Heating Systems

How to mend Ferroli Optimax He31c

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Mend boiler showing fault

How can I increase the water pressure to my Ferroli Optimax HE31C boiler?

My boiler is showing an F37 fault. I've located the water pressure gauge and the black valve underneath it. Wh... [Read more]

Mend optimax boiler ferroli

How can I find the fault on my optimax HE31C boiler?

We have an HE 31C Ferroli optimax boiler which started making some funny noises during the night and now has a... [Read more]

Mend ferroli he31c fault

ferroli he31c?

how to fix fault f35 on ferroli optimax he31c

Mend ferroli optimax he31c

How to remove Ferroli optimax HE31C casing?

Undone two screws but cant lift casing. says in manual to fold down flap B but cant see anything. going to get... [Read more]

Mend heating radiators heat hot water

Ferroli Optimax HE 31C not heating radiators?

Ferroli Optimax HE31C won't heat the radiators. Hot water function is working fine. There are no error message... [Read more]

Mend ferroli radiators heating

ferroli optimax he31c?

Drained my radiators and pressure dropped. Dont know how to fill the system again. What and where is the heati... [Read more]

Mend central heating fine boiler

ferrolli optimax he31c?

central heating fine dhw not working intermittantly boiler ignites water temp on gauge rises but no dhw

Mend boiler ferroli he31c

my boiler is a ferroli optimax he31c ?

it is saying no cn what is this and how can i fix it

Mend boiler ferroli pilot

i have a ferroliu optimax he31c boiler and i cant get hot water has the pil?

i have a ferroli optimax he31c b oiler and i cant get hot water, would the pilot light have gone out, if so ho... [Read more]

Mend ferroli optimax code

pcb on the ferroli optimax he31c?

i have changed the pcb on the ferroli he31c and a new code has to be entered into boiler before the boiler wil... [Read more]

Mend boiler optimax he31c

how can i fix my ferroli boiler?

How can I top the system to bring the pressyre up in my ferroli optimax HE31c boiler

Mend water not radiators

my ferolli he31c combi boiler is only heating the water, not the radiators?

my ferolli optimax he31c combi boiler has stopped heating the radiators it is now only heating the water, why?... [Read more]

Mend central ferroli boiler

How can I make the central heating start?

What does the code d2 mean on the ferroli optimax HE31C combi boiler? The hot water works well. We have put ... [Read more]

Mend help water work

ferroli optimax he31c?

help my daughters hot water won,t work the radiators are ok, it is quite a new boiler, but she has no instruct... [Read more]

Mend ferroli he31c boiler

Ferroli Optimax HE31C repeated A3 fault?

Hi, Has anyone had any experience with the Ferroli Optimax HE31C combi boiler? We recently had one install... [Read more]

Mend ferroli optimax boiler

what should do ferroli optimax he31c boiler ?

what dose fh mean an do they have timers with them because i have just moved in and it has not got one

Mend drayton digistat boiler

Thermostat connections?

How do I connect my Drayton Digistat 2RF to my Ferroli Optimax HE31C boiler?

Mend lost working fault

What is F15?

We have lost our manual for the ferroli optimax he31c and are having problems (eg nothing working). It is comi... [Read more]

Mend ferroli optimax fault going manual

Ferroli Optimax HE31c - What is fault code F12?

Ferroli say there is no such fault code, either I'm going blind and the manual just leaps for fun from F11 to ... [Read more]

Mend combi boiler read

How can i fix my ferroli optimax combi boiler ( he31c )?

Hi, i have just moved into a property that has had a new boiler fitted, its a combi boiler ferroli optimax he3... [Read more]

Pages 2 1

Mend ferroli optimax system

Ferroli Optimax HE31c a26 problem?

Mend water pressure ferroli

Hi how to increase the water pressure on ferroli optimax 25C?

Mend water coming pump

Ferroli DOMIcompact F 30 D?

Mend combi radiators problem

i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?

Mend repair code help

How can i repair a noCN fault on my boiler?

Mend replace diverter valve

Replace a diverter valve?

Mend boiler showing ferroli

F40 fault?

Mend ferroli optimax he

Parts for ferroli optimax he 31c ?

Mend turn heating boiler connected

How turn off heating in Ferolli Optimax 31c?

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