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We have 668 questions about mending 'boiler not firing'

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Mend Heating, Home Heating Systems

Im having a problem with my ocean alpha 240e boiler firing up?

It does fire up but then cuts out all the time ,sometimes i can make it work by turning the hot tap on and off... [Read more]
Mend Heating, Home Heating Systems

baxi boiler 35/60 indicating faulty pump or low pressure?

the boiler is indicating faulty pump,or low pressure.the pump is running and there is 1.5 bar pressure.your ca... [Read more]
Mend Heating, Home Heating Systems

Glow-worm Micron 40ff?

Hi, I have the Micron 40ff boiler. It is 3.5 years old. The last few days the hot water hasn't been firing... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optimax not heating water?

I had the hot tap on today and the water suddenly went cold. Now when you turn the hot tap on the boiler is no... [Read more]
Mend Heating, Home Heating Systems

My Vaillant turbomax plus 837E boiler is not firing up?

My Vaillant turbomax plus 837E boiler is not firing up There is no fault showing up on the diplay In fact th... [Read more]
Mend Heating, Home Heating Systems

boiler not firing up?

my boiler has is a worcester bosch greenstar 40cdi and has been working fine . tonight turn it on and get the... [Read more]
Mend Heating, Home Heating Systems

glowworm space saver 50 bf?

help my boiler is firing up for about 1 minute then cuts off the pilot light i have changed the thermocouple t... [Read more]
Mend Heating, Home Heating Systems

why is my vaillant combi firing on and off when the tap water in on?

when the hot water is on the boiler keeps firing on and off
Mend Heating, Home Heating Systems

potterton flowsure plus?

hot water and central heating work however my problem is this: couple of weeks ago boiler seemed to 'cycle' a... [Read more]
Mend Heating, Home Heating Systems

Potterton profile 60e not firing-up?

my potterton profile 60e has been struggling to fire-up from cold. fan ran for short time and stopped. Eventua... [Read more]
Mend Heating, Home Heating Systems

Hi I have a worcester combi boiler heatslave 15/19 and its not firing up at?

all -pressure is on 1 bar (same as normal) I might need to clean the photo cells (or so i'm told) but need to ... [Read more]
Mend Heating, Home Heating Systems

how can I fix my boiler?

When I turn on my heating my boiler will not fire up .I have tried the reset button which starts the boiler to... [Read more]
Mend Heating, Home Heating Systems

Ravenheat Fan Combi Boiler CSI85 not firing?

Hi, I have had to replace the fan & housing as the old one kept grinding to a halt. When the hot water tap is ... [Read more]
Mend Heating, Home Heating Systems

Pump runs when boiler satisfied?

I recently moved my central heating pump so as to give me heating for my towel rail off the primary circuit. A... [Read more]
Mend Heating, Home Heating Systems

potterton suprima 40L hot water but no heating downstairs?

I have a Potterton Suprima 40L about 6 yr old. Had no problems with it over the past years. I have no central... [Read more]
Mend Heating, Home Heating Systems

Halstead finest gold not firing up?

Why is my boiler not firing up? Goes straight to safety lockout mode. Water pressure a 11/2 and plumber ch... [Read more]
Mend Heating, Home Heating Systems

upside down a then showing a line then LF?

Hello i was hoping someone could shed a little light on my problem ive got a he24 boiler and itd stopped worki... [Read more]
Mend Heating, Home Heating Systems

myson Apollo 50B?

the boiler is not firing up when the thermostat reaches the temperature for the heating to kick in and also no... [Read more]
Mend Heating, Home Heating Systems

how can i fix this potterton proforma 28?

boiler was not working at all just the pump was running, changed over the pcb board then it started to work, b... [Read more]
Mend Heating, Home Heating Systems

how can I fix my Firebird 90?

I've just bled my Firebird 90 oil boiler after running out of oil. It went for an hour then cut out. I pressed... [Read more]

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