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Transmission not working?

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Mend Ferroli Optimax He

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We have 254 questions about mending 'ferroli optimax he'

How to mend ... Ferroli Optimax He

Pages 87654
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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]
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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]
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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.
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my boiler is a ferroli optimax he31c ?

it is saying no cn what is this and how can i fix it
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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]
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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]
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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]
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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]
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ferroli optimax he 31c boiler?

hi i'm trying to work the timed c/h how do i do this please.
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What does d2 mean on a ferroli optimax he 38c boiler?

What does d2 mean on a ferroli optimax he 38c boiler?
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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]
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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]
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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]
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how to set time clock ferroli optimax he31?

been trying to set clock for central heating any advise instruction sheet hopeless.
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ferroli fault code A26 on optimax HE 38C?

ferroli fault code A26 on optimax HE 38C
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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]
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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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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]
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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]
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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]
Pages 87654
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Ferroli Optimax HE31c a26 problem?
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Replace a diverter valve?
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ferroli plus 31c has a code b2 any ideas?
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Parts for ferroli optimax he 31c ?
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How can i repair a noCN fault on my boiler?
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Hi how to increase the water pressure on ferroli optimax 25C?
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Ferroli DOMIcompact F 30 D?
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i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
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F40 fault?

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