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Mend Boiler Working Fault

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We have 303 questions about mending 'boiler working fault'

How to mend ... Boiler Working Fault

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Mend flashing thing boiler

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]
Mend working worcester greenstar

Heating not working. Worcester greenstar 24i junior?

The hot water still works but the heating doesn't come on. Wireless thermostat has been reset and looks like i... [Read more]
Mend combi boiler fault working

Glow worm combi boiler fault?

Combi boiler central heating not working correctly,when heating is on it runs for 15 min before the boiler ove... [Read more]
Mend 2001 problem fault

Halstead Ace Circa 2001 - Not Heating?

Problem – Intermittent fault or faults causing the boiler to cease heating water and or Central Heating. Oc... [Read more]
Mend worcester greenstar 28i junior hot boiler

Heating not working - Worcester greenstar 28i junior?

My hot water is working but the central heating won't come on. The boiler had its annual service a few weeks a... [Read more]
Mend optimax water hot

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 boiler not firing up

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 combi turned heating

Ferroli combi Boiler not working, display screen blank. What do I do?

I turned my heating on and the boiler worked for about 5 mins then just shut off. Its a self diognosic boiler ... [Read more]
Mend greenstar 28i water

NO DHW from my greenstar 28i?

There is no hot water from my greenstar 28i The heating is working fine . When the tap is turned on the boil... [Read more]
Mend boiler working igniting

Volkera Excell 80E boiler - not working but no diagnostic lights?

My Vokera Excell 80E gas boiler is not igniting. The green light is on but when you turn on the hot water tap ... [Read more]
Mend combi hot water problem

Baxi combi 105HE Hot Water Problem?

I have a Baxi combi 105HE boiler. The hot water has stopped working. I put the taps on and its just cold. I... [Read more]
Mend code hot water

What does fault code F22 & F25 mean for a Flexicom 18hx mean?

I've just got home and my hot water isn't working. I've looked at my boiler and it was showing 'F22'. I read... [Read more]
Mend boiler hot heating switch

Ravenheat LS100T combi boiler?

The boiler is not working on either the hot water or the central heating. When I go to switch it on the green ... [Read more]
Mend pilot light combi

ideal classic f350 pilot wont light boiler wont fire up?

this is a combi boiler, i have no hot water or heating, have followed all relighting instructions including th... [Read more]
Mend ea fault worcester boiler

EA fault on worcester boiler?

My boiler greenstar 40 HE keeps tripping out every evening at around 7.30- 8.30 pm and I can't reboot it until... [Read more]
Mend ariston micro hot

Ariston micro Genus A 03 fault?

Heating / Hot Water not working - temp display giving what appears to be random numbers from 20 upto 99 and ba... [Read more]
Mend boiler working showing fault

Boiler faults on Glow-worm Flexicom 30CX?

Hi, Our boiler is not working and is showing fault codes F1, F22 and F4. How can I clear these faults and ... [Read more]
Mend check boiler going hot

how to check the pump on a worcester 28si boiler?

i want to know if the pumps going on my boiler. the ch is still working and hot water still working but wont w... [Read more]
Mend fan cuts out

classic fan flued boiler unreliable &cuts out ?

Classic boiler been very reliable but started to cut out having started and have to press reset button to star... [Read more]
Mend boiler not coming

Ferolli Optimax HE 31 c boiler not coming on!?

Hello all, I have a Ferolli Optimax HE 31 c boiler and it has stopped working, there are no fault codes, syste... [Read more]
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