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Mend Ferroli B Optimax

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We have 254 questions about mending 'ferroli b optimax'

How to mend ... Ferroli B Optimax

Pages 87654
Mend ferroli 15 seconds

boiler is overheating?

i am tying too repair a ferroli optimax 25 c the boiler is overheating after running for about 15 seconds the ... [Read more]
Mend optimax c combi

Pressure too high on Optimax HE 31 C Ferroli Combi Boiler?

F40 keeps flashing when the boiler shuts down after 20 minutes of being on. This says incorrect system water ... [Read more]
Mend he 31c start

My Ferroli Optimax HE 31c wont start?

The fault diagnostics says "no cn", do you know what this means as there is nothing in the manual.
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 ferroli optimax 25 c

Ferroli Optimax 25 c?

I had the above fitted 5 years ago and my cantral heating installer told me I did not need a room thermostat h... [Read more]
Mend boiler code fitted

ferroli boiler code ( no cn )?

i had a ferroli optimax he plus 38c fitted at Christmas. all we've had is problems. they came out and fitted ... [Read more]
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 25c

ferroli optimax 25c?

no hot water turn on tap 3 way valve gos to heating and pump stops boiler gos off 03 fault .put 3 way valve to... [Read more]
Mend ferroli optimax 31c

ferroli optimax he 31c boiler?

hi i'm trying to work the timed c/h how do i do this please.
Mend mean ferroli optimax he boiler

What does d2 mean on a ferroli optimax he 38c boiler?

What does d2 mean on a ferroli optimax he 38c boiler?
Mend intermittent hot water

intermittent hot water?

i have a ferroli optimax 901 boiler.c/h is fine but hot water usually not working-occasionally does.replaced b... [Read more]
Mend ferroli flashing water

ferroli optimax 25c?

Not flashing fault just two dashes. No heat no hot water. And gushing sound coming from it. Help!! Need to do ... [Read more]
Mend optimax 25 boiler water

noisy ferroli optimax 25 boiler code d7?

my ferroli optimax 25 boiler has noisy water flowing sounds when there is no demand for heating or hot water. ... [Read more]
Mend set time clock

how to set time clock ferroli optimax he31?

been trying to set clock for central heating any advise instruction sheet hopeless.
Mend fault code optimax

ferroli fault code A26 on optimax HE 38C?

ferroli fault code A26 on optimax HE 38C
Mend boiler runs fire

High noise on Ferroli optimax HE 31c?

When the boiler runs in a low fire, it's make a high vibrating noise for 1 minute, then it's working ok, but w... [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]
Mend ferroli boiler fired

Try this one! Ferroli Optimax 25ov?

Boiler will not start after programmed off for 6hrs plus in cold weather. Once boiler has fired after resettin... [Read more]
Mend hot water problem

hot water problem?

my ferroli optimax he 31c is taking obout 3minutes to deliver hot water to taps. it is struggling to reach pre... [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]
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