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Mend Ferroli Optimax He 31

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We have 64 questions about mending 'ferroli optimax he 31'

How to mend Ferroli Optimax He 31

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Mend combi boiler heat exchanger no hot water

Any ideas on how to fix my Ferroli Optimax HE Plus 31 C combi boiler?Ferrol?

Ferroli Optimax HE Plus 31 C 3 years old from new. Have heating but no hot water, when I turn on hot tap the D... [Read more]

Mend ferroli optimax he 31 c

Ferroli optimax he 31 c?

Boiler keeps flashing f 10 how to fix it and wot is it

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Ferroli Optimax plus HE 31 C?

I pressed reset and held button down, now can't get boiler working It just flashes F 47 Read somewhere that ... [Read more]

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whats a1 on aoptimax he 31?

ferroli optimax he 31 displaying a1

Mend he 31 c

bring water pressue down on ferroli he 31 c?

how do I bring water pressure down on ferroli optimax he 31 c stupidly over filled it

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My Ferroli optimax HE Plu 31 C No power?

The boiler suddenly stopped working. No power. No display, Iv tried swithcing it on but it doesnt work. Just v... [Read more]

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Ferroli Optimax HE 31 - overflow pipe dripping F37?

We are having repeated F37 error with dropping pressure, having to top up at least twice a day. No leaks on ra... [Read more]

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Optimax he 31 c LCD screen has stopped working?

Ferroli optimax he 31c LCD screen has stopped working, although I can hear the boiler making a noise every 5 s... [Read more]

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How can I fix my heater optimax he 31 c?

Hot water is fine.There is no error message.The heating temperature increases quickly with a flame icon on the... [Read more]

Mend boiler heating faults

Ferroli Optimax HE 31 C - Multiple faults?

I get a variety of faults which I can usually reset - but the current fault is F 15 - which is a fan problem -... [Read more]

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What does code "no cn" mean on Ferroli Optimax He plus 31 c Boiler mean?

Code no cn on Ferroli Optimax He plus 31 c Boiler mean?

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Pressure switch on Ferroli He 31/c Boiler?

I have replaced both the computer and the pressure switch on a Ferroli Optimax He 31/c Boiler but the fault re... [Read more]

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how can i fix my ferrolli?

ferrolli optimax HE plus 31 c bolier not going into high fire??

Mend ferroli optimax he plus 31 c

ferroli optimax he plus 31 c?

Mend ferroli optimax he 31

Ferroli Optimax HE 31 ?

wot dose f 15 means plese

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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]

Mend boiler heating system pressure ferroli

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]

Mend optimax he plus 31 c boiler

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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F40 fault?

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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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Replace a diverter valve?

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Ferolli Optimax HE 31C expansion vessel change?

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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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Parts for ferroli optimax he 31c ?

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Ferroli DOMIcompact F 30 D?

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