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Mend 30 boiler fire flashing
2

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
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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
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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 Plus 31

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We have 19 questions about mending 'ferroli optimax plus 31' in category Heating, Home Heating Systems

How to mend Ferroli Optimax Plus 31

Mend heating reset pressure

No heating, ferroli, errors not listed?

I've got a ferroli Optimax HE plus 31 c It's stopped heating water. Tried resetting it and I've seen 3 diffe... [Read more]
Mend combi boiler heat exchanger no hot water

Any ideas on how to fix my Ferroli Optimax HE Plus 31 C combi boiler?Ferrol?

Ferroli Optimax HE Plus 31 C 3 years old from new. Have heating but no hot water, when I turn on hot tap the D... [Read more]
Mend pressed reset button boiler
1

Ferroli Optimax plus HE 31 C?

I pressed reset and held button down, now can't get boiler working It just flashes F 47 Read somewhere that ... [Read more]
Mend code ferroli optimax 31

What does code "no cn" mean on Ferroli Optimax He plus 31 c Boiler mean?

Code no cn on Ferroli Optimax He plus 31 c Boiler mean?
Mend boiler heating ferroli

how can i fix my ferrolli?

ferrolli optimax HE plus 31 c bolier not going into high fire??
Mend ferroli optimax he plus 31 c

ferroli optimax he plus 31 c?

no hot water
Mend boiler working display
1

please tell me how to fix my fault with boiler?

i have a ferroli optimax he plus 31 c boiler and its not working and its bringing up a A1 fault on display. C... [Read more]
Mend optimax plus heating
3

ferolli optimax plus 31 flashing f 47 ?

has anyone got any ideas
Mend boiler heating system pressure ferroli
1

how to fill my system?

how do you fill the system on a ferroli optimax he plus 31 c boiler.F 37 is flashing and it tells to fill up s... [Read more]
Mend optimax he plus 31 c boiler
4

Ferroli Optimax HE Plus 31 C Boiler noise?

It is making a humming noise that makes you feel like you have tinitus. It only makes the noise when the radi... [Read more]
Mend central heating problem
1

central heating problem?

how do you alter the water pressure on my ferroli optimax he plus 31 c boiler
Mend central heating problem
1

central heating problem?

how do you alter the water pressure on a ferroli optimax he plus 31 c condensing combination boiler
Mend ferroli 31 boiler

instructions on how to fit a thermostat?

how to fit a horstmann wireless thermostat to a ferroli optimax he plus 31 c boiler
Mend optimax water pressure f37
3

Incorrect system water pressure?

We have just had a new Ferroli optimax he plus 31 c fitted. the error code F37 has come up which I believe mea... [Read more]
Mend boiler repair fault
1

How Do I fix?

Ferroli bioler optimax he plus 31 c Fault light flashing F35 Boiler working fine how do i get rid
Mend programme come man

How do you programme the boiler to come on twice a day - nothing in the man?

How can I programme the Ferroli Optimax He Plus 31 c to come on automatically at a given set time twice daily... [Read more]
Mend ferroli optimax boiler help

ferroli optimax he plus 31 c?

my boiler is flashing o 01 please help
Mend boiler wont work
1

boiler wont work ?

my boiler wont work its a ferroli optimax he plus 31 c it just flashes f 40 on the screen what is this? nothin... [Read more]
Mend ferroli optimax pressure

how do i top up my Ferroli optimax he plus 31 c? ?

How do I top up my Ferroli Optimax HE Plus 31 C as the pressure has dropped and what position should the blue ... [Read more]

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Mend water pressure ferroli

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

Parts for ferroli optimax he 31c ?
Mend replace diverter valve

Replace a diverter valve?
Mend water coming pump

Ferroli DOMIcompact F 30 D?
Mend boiler showing ferroli

F40 fault?
Mend Heating, Home Heating Systems

Ferolli Optimax HE 31C expansion vessel change?
Mend repair code help

How can i repair a noCN fault on my boiler?
Mend ferroli optimax system

Ferroli Optimax HE31c a26 problem?
Mend combi radiators problem

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

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Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

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