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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]
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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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Mend Ferroli He 31c Optimax

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We have 76 questions about mending 'ferroli he 31c optimax' in category Heating, Home Heating Systems

How to mend Ferroli He 31c Optimax

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Mend Heating, Home Heating Systems
1

Ferolli Optimax HE 31C expansion vessel change?

How easy is it to change the expansion vessel on a Ferolli Optimax HE31C please? Looks straightforward but nev... [Read more]
Mend ferroli optimax he
1

Parts for ferroli optimax he 31c ?

Hi, can I mend this boiler using parts from the plus model as I've been given one? Thanks, Mike
Mend instructions bought radio
2

Installation instructions for Ferroli 30800009?

I have bought a Ferroli Radio Thermostat Clock (Part No. 30800009) to fit to my Ferroli Optimax HE Plus 31C. I... [Read more]
Mend ferroli optimax he 31c

Ferroli optimax HE 31C?

my fuse box tripped and it turned off my boiler and now the boiler is showing high on the gauge and flashing F... [Read more]
Mend boiler pressure heating
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?
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Fan is running constantly when boiler is not in use?

Ferroli Optimax HE 31C boiler. No fault code showing
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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 ?
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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 boiler home heating ferroli

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]
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how do i reprogram the pcb ?

optimax he plus 31c ferroli f40 fault after power cut
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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]
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Ferroli Optimax HE31c a26 problem?
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Ferolli Optimax HE 31C expansion vessel change?
Mend combi radiators heating

i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
Mend ferroli optimax he

Parts for ferroli optimax he 31c ?
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F40 fault?
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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?

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