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How do i deactivate siren on lp1-4000?

how do i deactivate siren on lp1-4000
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ferroli optimax HE 31 C code d2? whats it mean??

ferroli optimax HE 31 C code d2? whats it mean?? gets that hot only got it set at 19 see it upto24, turn it o... [Read more]
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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]
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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]
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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]
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how do i put air pressure into my ferroli bolier model optimax he 31 c ?

i need to know how to put air pressure into my ferroli bolier model optimax he 31 c. i need to know which valv... [Read more]
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Fault Code A42 - not in manual?

I have a Ferroli Optimax HE plus C (38kW) which has locked out showing fault code A42. This code is not liste... [Read more]
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1

overflow continually dripping on Ferroli Optimax HE 31 C?

we keep having to top up the boiler as its losing pressure and the fault '37' comes up but the overflow is con... [Read more]
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central heating problem?

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

how do you alter the water pressure on a ferroli optimax he plus 31 c condensing combination boiler
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How can I fix my boiler, ferroli optimax he plus c?

newly fitted, worked for a day and then made a pop sort of sound and stopped working.Left for a while pushed r... [Read more]
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optimax he 31 c ferroli boiler?

a 40 fault code comes on my optimax he 31 c ferroli boiler
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1

What is complaints address for Ferroli?

I have had a Ferroli optimax HE 31 C for one year amd I want to write a letter of complaint but there are not ... [Read more]
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instructions on how to fit a thermostat?

how to fit a horstmann wireless thermostat to a ferroli optimax he plus 31 c boiler
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Ferroli optimax 31 c faulty thermostat?

Digital thermostat batteries went dead, put new ones in, now it won't show any display except occasional rando... [Read more]
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1

how can i setup my ferroli boiler?

my son who is in hospital has a ferroli HE 31 C Optimax boiler at his home, when I tried to run the heating I... [Read more]
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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]
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Ferroli optimax he 38 c filling kit connections?

I topped up the water on my boiler, but think I have moved one or more of the other 3 "taps" that make up the ... [Read more]
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how do i fix my broken boiler?

I have a Ferroli optimax 25 c boiler, it has stopped working and showing fault code F37. The manual say thi... [Read more]
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heating?

what does..no ca..mean on a ferrolli optimax 31 c mean
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ferroli optimax he plus 38 c how do I raise pressure to 1 - 1.5?

have tried to increase pressure to 1 - 1,5 due to fault F37 turned both black knobs but no difference there ar... [Read more]
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Ferroli DOMIcompact F 30 D?
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Ferolli Optimax HE 31C expansion vessel change?
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Ferroli Optimax HE31c a26 problem?
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F40 fault?
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Hi how to increase the water pressure on ferroli optimax 25C?
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Parts for ferroli optimax he 31c ?
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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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How can i repair a noCN fault on my boiler?

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