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How do i deactivate siren on lp1-4000?

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Pages 321
Mend boiler ferroli 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]
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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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FERROLI OPTIMAX HE 31C flow sensor and water coming out the bottom!?

Hi All, New to the forum but really hoping someone can advise, We have a 5 year old OPTIMAX HE 31C boile... [Read more]
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Ferrolli Optimax 25s boiler broken?

Hi - don't know if anyone can help? No heating or hot water for a few days now, awaiting an engineer who we... [Read more]
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1

how can i fix ferroli optimax he=38c boiler?

boiler has run with no problems for about six months now have problem with pressure dropping. have added water... [Read more]
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boiler?

hi i av a ferroli optimax he c31 boiler and its not workin keeps flashin f 35 and sumtimes f 11 an engineer ... [Read more]
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Heating?

I have a ferolli Optimax 31c boiler and it displays a D2 code & the radiators will not come on. Any help would... [Read more]
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How can i fix my Ferroli Optimax HE PLUS 31C boiler?

My Ferroli boiler will not ignite after the electric was off all night. Can you please help and advise how i c... [Read more]
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Ferroli Optimax Boiler - warning A3?

Hi - hoping you can help? I have a warning A3 on the boiler however can not find how to resolve the issue. ca... [Read more]
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Ferroli Optimax - no hot water ?

Hi, I hope someone can help me. I have had no hot water or heating for over 5 weeks. I have boiler cover thro... [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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ferroli optimax 38c boiler?

I have a ferrroli optimax 38c central heating boiler just a few weeks old.In fitting new washers to my taps i ... [Read more]
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Ferroli Optimax 31c will not re-pressurise PLEASE HELP!?

My boiler is flashing F37 which requires that we re-pressurise the system, hwoever we have tried the way that ... [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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i have a faulty boiler can you help?

ferroli optimax 31he. hot water ok but heating comes on and only stays on for only 8 mins. have renewed divert... [Read more]
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]
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ferroli optimax he plus 31 c?

my boiler is flashing o 01 please help
Mend ferroli optimax he 31 c boiler

how do i get my ferroli optimax he 31 c boiler?

i have pressed the reset button on my boiler and now my radiators work but i have no hot water, can anyone hel... [Read more]
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Hi how to increase the water pressure on ferroli optimax 25C?
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Ferroli Optimax HE31c a26 problem?
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Ferroli DOMIcompact F 30 D?
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How can i repair a noCN fault on my boiler?
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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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Ferolli Optimax HE 31C expansion vessel change?
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Replace a diverter valve?
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Parts for ferroli optimax he 31c ?

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