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We have 35 questions about mending 'ferroli boiler showing'

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Mend Heating, Home Heating Systems

F40 fault?

Boiler showing F40 on Ferroli optimax HE25S
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Ferroli DOMIcompact F24B: Unknown error?

I just came back from a couple of days away from home (boiler not used for 4.5 days), and my boiler is showing... [Read more]
Mend Heating, Home Heating Systems

Ferroli optimax HE 31C?

my fuse box tripped and it turned off my boiler and now the boiler is showing high on the gauge and flashing F... [Read more]
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Fan is running constantly when boiler is not in use?

Ferroli Optimax HE 31C boiler. No fault code showing
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whats wrong with my ferroli modena 102 combi boiler?

Boiler not running _no heating or hot water. Fan not working, willnot lite .water at 1.5bars . Showing lockou... [Read more]
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raising the pressure on a Ferroli Optomax 38?

I have just moved into a house with a combi boiler. I had to remove radiators for redecoration. The boiler ha... [Read more]
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How to fix a boiler showing fault A5?

my ferroli boiler is showing fault A5. Is it something I could fixe myself? any idea what to do? Thank
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how do i fix my boiler?

my boiler works on heating but not hot water it had a leak from plastic valve on flow meter this has been repl... [Read more]
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ferroli he25s?

My boiler has shut down and is showing a flashing red code A 26.....what does this mean as this code is not in... [Read more]
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circuit board dead Ferroli optmax he plus 31c?

looked at my boiler Ferroli Optimax Plus HE C31 only to see the clock showing nocall and nothing on the main... [Read more]
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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]
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reduce the pressure on Ferroli Modena 102 ?

Is there a way I can manually reduce the pressure on this boiler, its showing as 2 1/2
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my boiler is saying f15 there is no deris in fan?

We have a ferroli optimax HE31 it is showing f15 which is fan fault the fan is free from debris do i need a ne... [Read more]
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F37 ferroli?

I have f37 fault showing on my boiler but when topping up the pressure back to between 1 &2 it's fine for a wi... [Read more]
Mend Heating, Home Heating Systems

ferroli boiler how to reset?

I have moved to a new house with a ferroli optimax 31c boiler but have no user instructions and can't get it ... [Read more]
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