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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Flame/fan/flue errors showing on Bax 105 Combination boiler
We have a cold house this morning...
The Flame LED blinks, and so does the Fan LED (which indicates a "flame or flue fault"). We've called a plumber. In the meantime, what's the most likely fault? Daniele |
#2
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Flame/fan/flue errors showing on Bax 105 Combination boiler
D.M. Procida wrote:
We have a cold house this morning... The Flame LED blinks, and so does the Fan LED (which indicates a "flame or flue fault"). We've called a plumber. In the meantime, what's the most likely fault? Daniele Don't always expect pinpoint accuracy from these fault lights. In this weather I'd suspect a frozen condensate drain if you have an external one as a prime suspect. Fan motor failure can occur anytime but not common in my (limited) experience. If it has not had comprehensive servicing for a long time, the bottom of the heat exchanger/sump could be full of crap. |
#3
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Flame/fan/flue errors showing on Bax 105 Combination boiler
Bob Minchin wrote:
D.M. Procida wrote: We have a cold house this morning... The Flame LED blinks, and so does the Fan LED (which indicates a "flame or flue fault"). We've called a plumber. In the meantime, what's the most likely fault? Daniele Don't always expect pinpoint accuracy from these fault lights. In this weather I'd suspect a frozen condensate drain if you have an external one as a prime suspect. South Wales - we get grey skies and rain, but little in the way of weather excitement. I checked the drain, but that's not it. Fan motor failure can occur anytime but not common in my (limited) experience. The warning lights come on even if the boiler is turned on in hot-water-only mode, before the fan spins up. I owuldn't be surprised to discover it's the control board - which I have previously had to replace. If it has not had comprehensive servicing for a long time, the bottom of the heat exchanger/sump could be full of crap. Thanks for the advice. Hoping on a plumber now. Daniele |
#4
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Flame/fan/flue errors showing on Bax 105 Combination boiler
On Wed, 18 Jan 2017 12:26:46 +0000,
(D.M. Procida) wrote: I owuldn't be surprised to discover it's the control board - which I have previously had to replace. You've been on usenet for a fortnight or two -- you know of ex-regular diy poster Geoff's business in reconditioned control boards, no? cetltd.com, does fans and PCBs. Thomas Prufer |
#5
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Flame/fan/flue errors showing on Bax 105 Combination boiler
On 19/01/2017 07:03, Thomas Prufer wrote:
You've been on usenet for a fortnight or two -- you know of ex-regular diy poster Geoff's business in reconditioned control boards, no? cetltd.com, does fans and PCBs. I hope he's in the FAQ! Andy (another satisfied customer) |
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