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We have 446 questions about mending 'boiler problem fault'

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Vaillant Ecomax boiler - Fault Code F22 - Please help?

Major probs with my ecomax boiler. Over 2 weeks ago, when in shower noticed problem whereby hot water would ru... [Read more]
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Glow worm 18hxi boiler with f5 fault light?

After a problem with my fuse box, my heating is not working, I have checked the boiler (Glow worm 18hxi) and I... [Read more]
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baxi 105he will not give hot water unless the heating is already on ?

the boiler will not fire up when the tap is turned on unless the boiler is already lit for the central heating... [Read more]
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fault on my worcester 28i junior combi boiler?

while drawing hot water the presure gauge begins to fall the red warning light begins to flash and water ... [Read more]
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How to fix a Sabre/Vokera boiler with red light?

Hi, ive read many threads but cant seem to find the fault my boiler has. Its a sabre boiler but i cant find mo... [Read more]
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Ferroli Otimax HE38C?

Boiler has hot water, will fire up on Eco, it has everything calling for central heating and shows no fault co... [Read more]
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Boiler not heating up?

The gas supply (prepay meter) went off in the night and was put back on in the morning. The boiler is on and ... [Read more]
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intermittant fault on ravenheat csi85at?

on this combi when switched to hot water only boiler does not fire at all.on winter /summer boiler fires on ho... [Read more]
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Worcester RD532i fault flashing FC?

I have a worcester RD532i which is flashing FC on one screen and initializing please wait on other screen, the... [Read more]
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Remaha avanta plus Boiler E6 fault?

I keep getting the fault code E6 on the boiler, which if I reset and switch on and off it goes away for a whil... [Read more]
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Heating Temp problem Ferroli Maxima 35c?

I have an issue where the heating temp will not reach the dsired value. I set the heating temp using the dial... [Read more]
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how can i fix ferroli 31c he?

I have ferroli optimax 31c he. the problem occured all of a sudden.The front screen on the front of the boiler... [Read more]
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Genus a77 fault?

Keep getting a77 fault on micro genus boiler. The condensate trap keeps filling. Thanks Nick for you earlier r... [Read more]
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Boiler fault Ferroli Falcon 2?

Hi guys Got a strange fault with a ferroli falcon 2 boiler. It fires and goes off after 30 seconds in heati... [Read more]
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what is the fault with my Ariston Microgenus 27 MFFI boiler?

Ariston Microgenus 27 MFFI. my pressure gauge is nearly on zero, when i try to top it up only a small amount o... [Read more]
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Baxi 105 instant He problems?

I have the above boiler 4 years old and am looking for any advice as really hope i dont need to get a engineer... [Read more]
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Worcester Greenstar 18Ri Volatile Lockout...which sensor to replace?

I have a Worcester Greenstar 18Ri boiler which runs for about 60 seconds before stopping with a fault code of ... [Read more]
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Any idea whats wrong with my Worcester Bosch 24i Combi?

We have a fault that when we turn the hot tap on we do not always get hot water, the boiler does not ignite, t... [Read more]
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My Greenstar 532i doesn't reliably fire up and heat the rads?

I suspect there is a problem but when we got the gas folk out before they just filled it with a bit more water... [Read more]
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isar he30 boiler?

hi can anyone give me advice on my problem with this boiler .when drawing off dhw or running ch the boiler wil... [Read more]

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