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Mend Optima Home Heating Systems

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Mend 30 boiler fire flashing
2

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]
Mend Heating, Home Heating Systems
1

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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Oil fired boiler thermostat?

I have a Velaire 110/135 oil fired domestic boiler. I think the boiler thermostat may be faulty. The manual sa... [Read more]
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Mend Optimax He 31c

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We have 84 questions about mending 'optimax he 31c' in category Heating, Home Heating Systems

How to mend Optimax He 31c

Pages 54321
Mend he 31c start
2

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.
Mend ferroli optimax 31c
1

ferroli optimax he 31c boiler?

hi i'm trying to work the timed c/h how do i do this please.
Mend boiler runs fire
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]
Mend hot water problem

hot water problem?

my ferroli optimax he 31c is taking obout 3minutes to deliver hot water to taps. it is struggling to reach pre... [Read more]
Mend heating home heating boiler help
1

i cont get gch working ?

i cant get my gch working i av a ferrroli optimax he plus 31c can u help
Mend hot water heating call
1

ferroli optimax he 31c?

My hot water was cutting out heating then had to call out cause no heating at all only hot water !
Mend boiler water correctly
1

Boiler not heating water correctly?

I have a Ferroli Optimax HE 31c Combi-Boiler, since it has been installed the boiler has not heated the water ... [Read more]
Mend ferroli optimax 31c
4

Ferroli Optimax HE 31C boiler manual?

Where can I obtain a Ferroli Optimax HE 31C manual as I desperately need one
Mend optimax he plus 31c

what is causing my optimax he plus 31c to leak? ?

how to fix my optimax he plus 31c ,when it cools down it leaks a lot of water onto worktop?
Mend central heating hot tap

central heating and hot water optimax he plus 31c?

why dosent the hot water and centrall heating does not work together eg when the hot water tap is open the ... [Read more]
Mend ferroli optimax he 31c
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]
Mend boiler ferroli optimax

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]
Mend heating times combi

home heating?

could you please tell me how to set the time for the heating to come on and go off at different times of the d... [Read more]
Mend optimax 31c currently
3

How can I reduce the water pressure on my Ferroli Optimax HE 31C?

I Currently I have an F40 fault which is too high water pressure (just under 3 bar)....how can i reduce the wa... [Read more]
Mend Heating, Home Heating Systems
1

What is causing my Optimax HE 31c to lose water pressure F37?

Hi my optimax he 31c is losing water pressure, f37. This has happened numerous times now after refilling press... [Read more]
Mend ferroli optimax he 31c

Ferroli Optimax HE 31C?

The pressure in my boiler has dropped to below 1 and the heating has cut out. Have tried filling the system us... [Read more]
Mend serial number find
2

Ferroli Optimax HE 31 c boiler serial number?

Where can i find the serial number to my Ferroli Optimax HE 31C boiler? Thanks.
Mend ferroli gas pressure
2

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 time set water
9

ferroli optimax he plus 31C time clock?

does anyone know how to set the time clock so that pre-programmed heating and water etc comes on when you have... [Read more]
Mend find optimax 31c

Does anyone know where I can find a user guide for a Ferroli clock? ?

Does anyone know where I can obtain a copy of the user manual for the Ferroli Optimax HE 31C digital clock as ... [Read more]
Pages 54321

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Mend boiler turns off

boiler turns off and on?
Mend hot gas combi

No Hot Water OPTIMA 701 gas combi boiler?
Mend diverter valve air

Optima 701 Diverter?
Mend turning combi boiler

Why does the Hawk II Optima keep turning on central heating without request?
Mend boiler wall gas

Optima boiler?
Mend optima diverter valve

Optima 701 Diverter Valve?
Mend Heating, Home Heating Systems

optima 701 pressure rises when heatings on drops when off?
Mend optima flashing reset

time clock failure?
Mend fire boiler flame lit

Optima failing to fire up?

How to mend ...

Mend Baxi Mend Bosch Mend Boulter Mend Britony Mend Dimplex Mend Drayton Mend Ferroli Mend Halstead Mend Heatline Mend Kohlangaz Mend Myson Mend Potterton Mend Remeha Mend Siemens Mend Switchmaster Mend Vaillant Mend Vokera Mend Worcester

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