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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]
Mend Heating, Home Heating Systems
1

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 water pressure up please
1

How do i get the water pressure up please?

I have a Ferroli optimax he 31c boiler and need to get the water pressure up, how do i do it please?
Mend fan running boiler not

Fan is running constantly when boiler is not in use?

Ferroli Optimax HE 31C boiler. No fault code showing
Mend ferroli boiler heating hot water
1

how can i fix my optimax HE 31c?

Got ferroli boiler optimax he 31c no heating or hot water but got a flashing F on front panel ! Any ideas ?
Mend water boiler yesterday

How to stop a water leak on Ferroli optimax?

I have a ferroli optimax HE plus 31c boiler. It was serviced yesterday and today it has developed a leak from ... [Read more]
Mend ferroli optimax 31c

How to repair leaks/remove pump on Ferroli Optimax HE 31C Super plus?

I had a fault code with my Ferroli Optimax HE 31C Super Plus showing it was a return sensor fault. I found tha... [Read more]
Mend Heating, Home Heating Systems
1

how can i fix?

i have a leak on the plastic cup threads on the ferroli optimax he 31c condensate/cup can i get these anywhere... [Read more]
Mend 31 stopped working

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 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 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
3

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
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]
Mend sensor water coming
1

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
2

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
2

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]
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Mend optima flashing reset

time clock failure?
Mend boiler wall gas

Optima boiler?
Mend hot gas combi

No Hot Water OPTIMA 701 gas combi boiler?
Mend boiler turns off

boiler turns off and on?
Mend Heating, Home Heating Systems

optima 701 pressure rises when heatings on drops when off?
Mend diverter valve air

Optima 701 Diverter?
Mend optima diverter valve

Optima 701 Diverter Valve?
Mend fire boiler flame lit

Optima failing to fire up?
Mend turning combi boiler

Why does the Hawk II Optima keep turning on central heating without request?

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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