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Mend Ferroli Optimax He 31c

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We have 47 questions about mending 'ferroli optimax he 31c' in category Heating, Home Heating Systems which have been answered

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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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Ferroli optimax HE pluss 31c?

Fault f47 flashing ? can anyone help
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how can i fix ferroli 31c he?

I have ferroli optimax 31c he. the problem occured all of a sudden.The front screen on the front of the boiler... [Read more]
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my bar gauge is reading 2.2 bar how do i get it down?

i have a ferroli optimax he 31c and the bar gauge is reading 2.2 bar how do i get it down without blowing up m... [Read more]
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ferroli optimax HE 31C combi boiler?

my boiler will not fire up it just starts the fan then goes on to F12. What is F12 fault
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how do i turn off heating but keep hot water?? Ferroli optimax HE 31C?

wanting to turn of heating for summer but keep hot water on....how do i do this please...i have no manual!
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How can I fix my Ferroli Optimax HE 31C?

I have hot water but radiators won't fire up.
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Symbols on the control panel mean?

My boiler is a Ferroli Optimax He 31C... What do the symbols 'M', 'P'. and the arrow on the right hand side... [Read more]
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f21 error message on ferroli optimax he 31c boiler?

f21 error message appears after running central heating on a ferroli optimax he 31c boiler
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how to fix d1 error on a ferroli optimax he 31c boiler?

d1 error message keeps coming up after running hot water on a ferroli optimax he 31c boiler
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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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help with a code ?

my ferroli optimax he 31c is coming up with a fault code reading 'A6' but when i look in the guide its not sho... [Read more]
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ferroli optimax he 31c trip-out?

my boiler cuts out and code 41 is displayed, other than this it works fine most of the time.
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Ferroli Optimax He 31C Combi fault?

Hi, I have a Ferroli Optimax He 31C Combi gas boiler. In the morning it regularly locks out on a F03 code eve... [Read more]
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central heating timer clock memory?

ferroli optimax he 31C central heating timer clock does not keep time programed in. For more than 48 hours ... [Read more]
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Ferroli Optimax HE 31C not heating radiators?

Ferroli Optimax HE31C won't heat the radiators. Hot water function is working fine. There are no error message... [Read more]
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Is there a difference between the Optimax HE 31C and the HE PLUS 31C ?

What is the difference between the Ferroli Optimax HE 31C and the one supplied by Wickes (HE PLUS 31C) ..... i... [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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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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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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