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Mend 30 boiler fire flashing

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

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]

Mend Heating, Home Heating Systems

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 31c

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We have 93 questions about mending 'optimax 31c' in category Heating, Home Heating Systems

How to mend Optimax 31c

Pages 5 4 3 2 1

Mend pcb ferroli power

how do i reprogram the pcb ?

optimax he plus 31c ferroli f40 fault after power cut

Mend optimax 31c boiler

how to fix ?

what does fh mean on optimax he 31c boiler is it easy to fix ?

Mend optimax fault code

Ferolli optimax He31 c d1 fault code?

Hi there. I am showing d1 on the display of my ferolli optiamax 31c he boiler. I have hot water (which is now... [Read more]

Mend hot heating normal

Ferrolli optimax 31c?

Works on hot water and on heating test mode but not on normal heating mode

Mend ferroli 31c optimax

circuit board dead Ferroli optmax he plus 31c?

looked at my boiler Ferroli Optimax Plus HE C31 only to see the clock showing nocall and nothing on the main... [Read more]

Mend boiler fire up

how do I get my boiler to fire up?

Hi my Ferroli optimax he plus 31c won't start up and has not got hot water after I bled one of my radiators I... [Read more]

Mend optimax boiler ferroli

How can I find the fault on my optimax HE31C boiler?

We have an HE 31C Ferroli optimax boiler which started making some funny noises during the night and now has a... [Read more]

Mend ferroli optimax he 31c

ferroli optimax HE 31C?

code d2 heating want come on

Mend 31c optimax code

Ferroli HE 31c optimax code F37?

I have just put a new PCB in and have reset the boiler my pressure gauge is 1.5b but i still have the fault an... [Read more]

Mend fill ferroli optimax

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 sensor water coming

FERROLI OPTIMAX HE 31C flow sensor and water coming out the bottom!?

Hi All, New to the forum but really hoping someone can advise, We have a 5 year old OPTIMAX HE 31C boile... [Read more]

Mend 31c fault help

Ferroli optimax HE pluss 31c?

Fault f47 flashing ? can anyone help

Mend flow flashing fault

How do you change a flow sensor on a ferroli Optimax HE plus 31C Boiler?

We have a Ferroli Optimax He Plus 31C boiler and it keep Flashing a F14 fault which according to the manual is... [Read more]

Mend ferroli 31c he

how can i fix ferroli 31c he?

I have ferroli optimax 31c he. the problem occured all of a sudden.The front screen on the front of the boiler... [Read more]

Mend central heating problem

central heating problem?

how do you alter the water pressure on my ferroli optimax he plus 31 c boiler

Mend hi means f 73

hi what means f 73?

it for optimax he 31c dont start

Mend gauge reading bar

my bar gauge is reading 2.2 bar how do i get it down?

i have a ferroli optimax he 31c and the bar gauge is reading 2.2 bar how do i get it down without blowing up m... [Read more]

Mend heating ferroli boiler

no heating from ferroli boiler?

I have a ferroli optimax he 31c. the hot water works fine but this morning the heating will not come on. the... [Read more]

Mend boiler d2 code help

Heating?

I have a ferolli Optimax 31c boiler and it displays a D2 code & the radiators will not come on. Any help would... [Read more]

Mend optimax 31c boiler

How can i fix my Ferroli Optimax HE PLUS 31C boiler?

My Ferroli boiler will not ignite after the electric was off all night. Can you please help and advise how i c... [Read more]

Pages 5 4 3 2 1

Mend pilot light will not ignite

Pilot light will not ignite?

Mend boiler turns off

boiler turns off and on?

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 Heating, Home Heating Systems

optima 701 pressure rises when heatings on drops when off?

Mend fire boiler flame lit

Optima failing to fire up?

Mend boiler wall gas

Optima boiler?

Mend hot gas combi

No Hot Water OPTIMA 701 gas combi boiler?

Mend optima diverter valve

Optima 701 Diverter Valve?

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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