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We have 38 questions about mending 'fails fault boiler'

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Mend Heating, Home Heating Systems

Vailliant turbo max plus 824e?

vailliant turbomax plus 824e combi boiler, intermittent fault on domestic hot water supply, fails to come on w... [Read more]
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How can I solve the intermittent fault on my potterton profile 40e?

Once started up the boiler runs ok until it is shut down by the time switch or the room thermostat. When the t... [Read more]
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Micron 50FF?

Initial fault was boiler would not start. This was a seized fan, now replaced.Boiler ran for a few hours then ... [Read more]
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loud bang when boiler fires up, fault code F1 if it fails to fire?

Glow Worm flexicom 30 SX Our boiler is just over two years old. It often fires up totally normally but somet... [Read more]
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Drayton RF3/SCR fault?

Hi Last winter my RF3 was a bit dodgy and now it's pretty much failed. Have tried resetting, but no joy. The... [Read more]
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How can I fix an F5 fault on feroli DOMIcompact boiler?

The boiler fails to ignite within 30 seconds when changing between hot water and central heating and vice vers... [Read more]
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potterton profile 40 NG intermittent firing ?

my potterton profile 40 NG boiler has recently developed a fault where the fan intermittently fires up as thou... [Read more]
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boiler fails?

mt ferroli boiler fails occasionally there is no fault code apart from a drip from the dhw there are no taps o... [Read more]
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how can i fix my boiler?

no central heating no hot water, boiler fails to ignite shows on display panel fault 40
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Fault code: 3L?

My boiler keeps reverting to code: 3L, but on pressing the reset button, after approximately 10 times it resta... [Read more]
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chaffatoteaux britony combi se?

the 60 fault light comes on after the boiler fails to start sometimes the boiler starts ok
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Poterton Boiler needs a bang to get it going !?

We have a faulty Poterton boiler (60F LPG), that has an intermittent fault. When we switch on boiler, it somet... [Read more]
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Problem with Vokera 80SP combi boiler?

My Vokera Excell 80SP has developed a fault in which I have no hot water or central heating. The pilot light i... [Read more]
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central heating failure?

CSI 120 T LOW NOX central heating fails to relight after boiler reaches water temperature. shows fault 14
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Baxi 105e fault- barely any CH, HW little better. Ideas?

Unsure if this is 2 separate problems or just 1. Would love some help. My rads have been almost cold for 1... [Read more]
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I have a vokera Syntesi 29e combi constantly fails on fault code 01?

The boiler works fine for some hours then locks out on code 01 (failed to ignite) i have to reset often severa... [Read more]
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apollo myson 50s boiler?

intermittent fault with boiler firing. checked usual suspects. however, noticed that i can hear combustion fan... [Read more]
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Glow Worm 30ci losing pressure and F1 Faults?

This boiler has been problematic for a while now. Can only seem to get pressure to 0.5 - 0.6 bar. Then when sw... [Read more]
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