main combi 24he fault

Joined
15 Nov 2009
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Location
Yorkshire
Country
United Kingdom
Hi can somebody help please,my 24he is about 2 years old and this morning it has failed to light,the fan is running continually but the only diagnostic light lit up is the power light which is flashing every 2 seconds .There is nothing in the instructions to help as all the diagnostic light options show at least 2 lights lit or flashing.The water pressure is fine and there is gas going in, thanks in anticipation Bob
 
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Hi Kev,i've tried resetting the flue overheat stat,think it could be the problem,the red button seems to be stuck in,i can pull it out but it springs straight back in,could i bypass it by connecting the blue wires to confirm if thats the faulty part?
 
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[quote="baxpoti";p="1408187
Check the incoming wiring L-N, L-E, N-E.[/quote]

Your never supposed to wire them like that are you?

Can't help with fault code but from what you describe it sounds to me like you have a pcb fault keeping the fan on, which is preventing aps from allowing boiler to proceed.

Job for an RGI.
 

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