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Mend Optima Home Heating Systems

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Mend Heating, Home Heating Systems

Flamerite Isis Fire?

i need a new mother board for my flamerite isis fire do you know where i can purchase one

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 boiler heating lockout

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 Optimax

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We have 321 questions about mending 'optimax' in category Heating, Home Heating Systems

How to mend Optimax

Pages 16 15 14 13 12

Mend code working years

Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [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]

Mend heater water heating

How can I fix my heater optimax he 31 c?

Hot water is fine.There is no error message.The heating temperature increases quickly with a flame icon on the... [Read more]

Mend ferroli heating code central

ferroli optimax HE31C the digital display is saying 'no CN''? ?

We have no hot water or central heating, no other error code is displayed. I've turned off at the mains, press... [Read more]

Mend boiler heating fault code

What is Fault Code - - (flashing on a ferroli optimax 25 c boiler?

What is Fault Code - - on a ferroli optimax 25 c boiler - this is flashing continuosly

Mend boiler fan hot

ferroli optimax 26 problem?

hi can anyone advise me my boiler is currently displaying -- the fan is on but no hot water and no heatin... [Read more]

Mend heating power home

how do i reprogram the pcb ?

optimax he plus 31c ferroli f40 fault after power cut

Mend boiler heating faults

Ferroli Optimax HE 31 C - Multiple faults?

I get a variety of faults which I can usually reset - but the current fault is F 15 - which is a fan problem -... [Read more]

Mend boiler heating error

What does code "no cn" mean on Ferroli Optimax He plus 31 c Boiler mean?

Code no cn on Ferroli Optimax He plus 31 c Boiler mean?

Mend optimax 31c boiler

how to fix ?

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

Mend boiler fault code diverter valve

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 boiler heating automatic

ferroli optimax 25 s boiler?

Hi, boiler keeps using water have to fill loop daily as it trips out, when filled it restarts automatically an... [Read more]

Mend start changed switch

how can i fix my boiler ferroli optimax 25c?

will not start, i,ve changed pcb , pump, diverter switch, i think the new pcb may need re-programming but i ... [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 boiler pressure fault code

Pressure switch on Ferroli He 31/c Boiler?

I have replaced both the computer and the pressure switch on a Ferroli Optimax He 31/c Boiler but the fault re... [Read more]

Mend boiler heating ferroli

how can i fix my ferrolli?

ferrolli optimax HE plus 31 c bolier not going into high fire??

Mend ferroli optimax he plus 31 c

ferroli optimax he plus 31 c?

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 fault code display

ferroli optimax 25c showing f37 ?

fault code f37 showing in display

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]

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Mend fire boiler flame lit

Optima failing to fire up?

Mend boiler turns off

boiler turns off and on?

Mend optima diverter valve

Optima 701 Diverter Valve?

Mend hot gas combi

No Hot Water OPTIMA 701 gas combi boiler?

Mend Heating, Home Heating Systems

optima 701 pressure rises when heatings on drops when off?

Mend diverter valve air

Optima 701 Diverter?

Mend boiler wall gas

Optima boiler?

Mend pressure hot water

high pressure when heatings on?

Mend combi boiler central heating heating system

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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