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How do i deactivate siren on lp1-4000?

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Mend Ferroli Optimax Boiler Working

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We have 28 questions about mending 'ferroli optimax boiler working'

How to mend Ferroli Optimax Boiler Working

Pages 21
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How can I fix my boiler, ferroli optimax he plus c?

newly fitted, worked for a day and then made a pop sort of sound and stopped working.Left for a while pushed r... [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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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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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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1

How Do I fix?

Ferroli bioler optimax he plus 31 c Fault light flashing F35 Boiler working fine how do i get rid
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Ferroli Optimax not heating water?

I had the hot tap on today and the water suddenly went cold. Now when you turn the hot tap on the boiler is no... [Read more]
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1

ferrolli optimax he31c?

central heating fine dhw not working intermittantly boiler ignites water temp on gauge rises but no dhw
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intermittent hot water?

i have a ferroli optimax 901 boiler.c/h is fine but hot water usually not working-occasionally does.replaced b... [Read more]
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3

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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1

My ferolli optimax boiler H E 31 suddenly stopped working?

my water pressure continually drops so i turn it back up and it works again, but this time it won't come back ... [Read more]
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6

Fault 26 on a ferroli optimax 25 c, unable to re-set?

I have a ferroli optimax 25 c which has stopped working, flashing up fault 26. My boiler man said it was froze... [Read more]
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1

Ferroli optimax HE 31c?

My question is same as geoff from august 09. boiler has stopped working , no error codes, will not reset and t... [Read more]
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what does this code mean?

My boiler (ferroli optimax HE 31c) isnt working but has thid code that looks like NO CA,anyone any ideas? the ... [Read more]
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Ferroli Optimax He 31c boiler 6mths old?

I have no hot water it was working yesterday i dont think anyone has changed anything the heating is working o... [Read more]
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ferroli optimax he 31 c d1 comes on display boiler not firing up correctly?

the boiler was fitted to existing system. central heating was working fine until bath tap turned on then water... [Read more]
Mend ferroli optimax boiler working
22

my Ferroli optimax boiler is not working and is showing code noCn?

my boiler is twelve months old. Ferroli Optimax HE31 I have no heat or hot water. Where it would normally sho... [Read more]
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No hot water?

Our Ferroli optimax HE 31 C boiler is not giving us any hot water although the central heating system is worki... [Read more]
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4

Ferroli optimax 25c boiler not working !?

The boiler (ferroili optimax 25c) in the house which i'm renting has stopped working christmas day i've no hot... [Read more]
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3

Ferroli Optimax 38c combi boiler showing fault code d1 ?

My ferroli 38c condesing combi boiler has no hot water and showing fault code d1 ? the c/heating is working f... [Read more]
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1

Hot water?

I have a ferolli optimax he 31c boiler, i am unable to get hot water when the hot tap is turned on. Although ... [Read more]
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Ferolli Optimax HE 31C expansion vessel change?
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F40 fault?
Mend water pressure ferroli

Hi how to increase the water pressure on ferroli optimax 25C?
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How can i repair a noCN fault on my boiler?
Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?
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Ferroli DOMIcompact F 30 D?
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Replace a diverter valve?
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Parts for ferroli optimax he 31c ?
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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