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BT Studio 4500 cordless telephone?

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Mend Optimax He Plus 31 C Boiler

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We have 51 questions about mending 'optimax he plus 31 c boiler'

How to mend ... Optimax He Plus 31 C Boiler

Pages 321
Mend Heating, Home Heating Systems

my ferolli optimax hc 31 c boiler flashing a1?

my boiler is flashing a1 on screen pressure was high on 2 drained the valve to lower pressure now gone to 0 tu... [Read more]
Mend Heating, Home Heating Systems

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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how do i restore heating from ferroli optimax he 31 c?

the boiler is on as i have hot water but the central heating will not come on. the code is not recognised in t... [Read more]
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Name of part for Ferroli Optimax HE 31 C boiler?

Hi, I have the above boiler which requires a new part. In the user manual under section 2.7 'Condensate Outle... [Read more]
Mend Heating, Home Heating Systems

F40 on ferroli optimax he 31 boiler?

I'm in a rented property with prepaid gas meter. My gas supply ran out and I found a error code A01 in my Ferr... [Read more]
Mend Heating, Home Heating Systems

Boiler Systems?

How do I improve a low water pressure fault on a Ferroli Optimax HE 31 C Combi Boiler System? The pressure... [Read more]
Mend Heating, Home Heating Systems

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

Boiler is 4 weeks old and the water pressure is too low and I now have no heating. Does anyone have any idea ... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optimax HE 31 c boiler serial number?

Where can i find the serial number to my Ferroli Optimax HE 31C boiler? Thanks.
Mend Heating, Home Heating Systems

Ferroli Optimax he 31 s - water temp?

the digital tempreture on the boiler won't let me go above 65 fo water temp. Is this right?
Mend Heating, Home Heating Systems

Help fix Optimax HE 31 C Boiler. F37 Error?

Optimax HE 31 C Boiler. F37 Error. There are 2 blue valves and 2 black. Which ones should I open and which pos... [Read more]
Mend Heating, Home Heating Systems

How to fix fault affecting Ferroli Optimax HE 31 gas boiler?

The F fault indicator signifying low pressure and failure on my Ferroli gas boiler Optimax HE 31C hasnow been ... [Read more]
Mend Heating, Home Heating Systems

ferroli optimax he 31 c?

hello, silly question - how on earth do i fill my boiler to increase pressure? i have tried turning the blu... [Read more]
Mend Heating, Home Heating Systems

No display on Ferroli Optimax HE 31 C control panel why?

Please help. The control panel has some lines on it (power is on) but no symbols at all - no fault codes, no p... [Read more]
Mend Heating, Home Heating Systems

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]
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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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flashing light showing fault f21?

optimax he 31 c boiler has aflashing light showing when heating on shows f21
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ferroli optimax he 31 fan parts?

wy the boiler report fan problem after less than a week been intall?
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Ferroli Optimax HE 31 C?

How do i get my heating to work? It fires up and the temperature starts to rise on the display, then the digit... [Read more]
Mend Heating, Home Heating Systems

operating manual for Ferroli Optimax HE 31 C?

Where can I get a manual for this combi boiler? It has been installed in my home and the contractors didn't le... [Read more]
Mend Heating, Home Heating Systems

Noisy Ferroli Combination Boiler?

PLEASE HELP! WE HAVE A VERY NOISY OPTIMAX 31 COMBINATION BOILER. IT MAKES A THUDDING SOUND WHEN IT REACHES TE... [Read more]
Pages 321
Mend Security Systems, Home Alarm Systems

No green light in optima XM burglar alarm?
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Optima XM Alarm panel dead?
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I have optima optima xm alarm plus panic alarm unit operated by red plastic?
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How do i increase the keyboard sounds and exit entry sounds?
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Optima plus 2 small keypad?
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How can I fix my optima 2 alarm?
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Optima xl6?
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Program my 8EP396A optima compact alarm?
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Unable to set Optima alarm?

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