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Mend Optima Home Heating Systems

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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 boiler fire fault

ferroli optimax HE 31C combi boiler?

my boiler will not fire up it just starts the fan then goes on to F12. What is F12 fault

Mend water ferroli optimax

how do i turn off heating but keep hot water?? Ferroli optimax HE 31C?

wanting to turn of heating for summer but keep hot water on....how do i do this please...i have no manual!

Mend hot water fire

How can I fix my Ferroli Optimax HE 31C?

I have hot water but radiators won't fire up.

Mend panel hand side

Symbols on the control panel mean?

My boiler is a Ferroli Optimax He 31C... What do the symbols 'M', 'P'. and the arrow on the right hand side... [Read more]

Mend ferroli he boiler

f21 error message on ferroli optimax he 31c boiler?

f21 error message appears after running central heating on a ferroli optimax he 31c boiler

Mend ferroli boiler running

how to fix d1 error on a ferroli optimax he 31c boiler?

d1 error message keeps coming up after running hot water on a ferroli optimax he 31c boiler

Mend boiler reset house

ferroli boiler how to reset?

I have moved to a new house with a ferroli optimax 31c boiler but have no user instructions and can't get it ... [Read more]

Mend help ferroli optimax 31c

help with a code ?

my ferroli optimax he 31c is coming up with a fault code reading 'A6' but when i look in the guide its not sho... [Read more]

Mend ferroli optimax 31c

Ferroli Optimax 31c?

I have spilt water on the room thermostat, and the heating is off. Is there any way I can set it on the boiler... [Read more]

Mend ferroli optimax 31c

Ferroli Optimax 31c will not re-pressurise PLEASE HELP!?

My boiler is flashing F37 which requires that we re-pressurise the system, hwoever we have tried the way that ... [Read more]

Mend ferroli optimax he

ferroli optimax he 31c trip-out?

my boiler cuts out and code 41 is displayed, other than this it works fine most of the time.

Mend ferroli optimax 31c

how do i set my timer?

how can i set my timer on a ferroli optimax he 31c?

Mend gas boiler morning

Ferroli Optimax He 31C Combi fault?

Hi, I have a Ferroli Optimax He 31C Combi gas boiler. In the morning it regularly locks out on a F03 code eve... [Read more]

Mend timer clock time

central heating timer clock memory?

ferroli optimax he 31C central heating timer clock does not keep time programed in. For more than 48 hours ... [Read more]

Mend pressure radiator low

Water Pressure C/H? Optimax 31C?

Hi Guys tried to let some air out of a radiator but now have low pressure, tried opening the two black vavles ... [Read more]

Mend start 45 minutes

How fix whining on ferrolli optimax 31c?

Why does ferrolli optimax 31c start whining after heating been on about 45 minutes. The control also shows a d... [Read more]

Mend ferroli optimax boiler help

ferroli optimax he plus 31 c?

my boiler is flashing o 01 please help

Mend heating radiators heat hot water

Ferroli Optimax HE 31C not heating radiators?

Ferroli Optimax HE31C won't heat the radiators. Hot water function is working fine. There are no error message... [Read more]

Mend ferroli optimax 31c

Ferroli Optimax 31c?

Our boiler has a "no cn" symbol appearing on the clock counter and won't turn on. There is gas within the hou... [Read more]

Mend between he he plus

Is there a difference between the Optimax HE 31C and the HE PLUS 31C ?

What is the difference between the Ferroli Optimax HE 31C and the one supplied by Wickes (HE PLUS 31C) ..... i... [Read more]

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Mend hot gas combi

No Hot Water OPTIMA 701 gas combi boiler?

Mend pilot light will not ignite

Pilot light will not ignite?

Mend fire boiler flame lit

Optima failing to fire up?

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 optima diverter valve

Optima 701 Diverter Valve?

Mend boiler wall gas

Optima boiler?

Mend Heating, Home Heating Systems

optima 701 pressure rises when heatings on drops when off?

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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