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i need a new mother board for my flamerite isis fire do you know where i can purchase one
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Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]
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Greenstar 24Ri boiler, fast flashing - can I reset?

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]
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Mend Ferroli Optimax 31 C

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We have 59 questions about mending 'ferroli optimax 31 c' in category Heating, Home Heating Systems

How to mend Ferroli Optimax 31 C

Pages 321
Mend heating reset pressure

No heating, ferroli, errors not listed?

I've got a ferroli Optimax HE plus 31 c It's stopped heating water. Tried resetting it and I've seen 3 diffe... [Read more]
Mend boiler heating ferroli

I have a ferroli optimax he 31 c boiler ?

The heating just seems to turn on and off randomly having not been programmed.Any idea why ?
Mend he put pressure up
1

Ferroli Optimax HE 31 C, how do I put water pressure up?

Ferroli Optimax HE 31 C, how do I put water pressure up?
Mend heating hot water pressure

Ferroli Optimax he 31 c?

Can't get any hot water doesn't seem to ignite when we open any of the hot water taps or shower . Just had a... [Read more]
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 boiler heating ferroli

Ferroli optimax he 31 c?

Boiler keeps flashing f 10 how to fix it and wot is it
Mend Ferroli Optimax Reset
1

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]
Mend ferroli heating water pressure
1

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
Mend boiler heating ferroli

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]
Mend boiler home heating ferroli

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]
Mend heater water heating

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
2

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]
Mend boiler heating error

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?
Mend boiler pressure fault code

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]
Mend boiler heating ferroli

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?

no hot water
Mend ferroli heating error code
1

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]
Mend boiler heating repair
1

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
1

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]
Pages 321

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Mend water pressure ferroli

Hi how to increase the water pressure on ferroli optimax 25C?
Mend Heating, Home Heating Systems

Ferolli Optimax HE 31C expansion vessel change?
Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?
Mend combi radiators heating

i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
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Ferroli DOMIcompact F 30 D?
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Mend ferroli optimax he

Parts for ferroli optimax he 31c ?
Mend boiler heating repair

How can i repair a noCN fault on my boiler?
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F40 fault?

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