Biasi M90E 24S wont fire up

Joined
29 Oct 2011
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London
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United Kingdom
Hi my Biasi boiler wont ignite, the Green light is pulsing 1 sec on on 1sec off the fan is going but it wont fire up. No hot water or heating. The fan is also going on and off with the pulses of the light or so it seems.
Any ideas ? A friend suggested air pressure switch problem
cheers jc
 
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We dont give advice on gas/combustion related problems and that includes the air pressure switch which should not even be accessed by a DIYer.

Its much more likely to be the ignition PCB assuming the boiler is the earlier model with two seperate PCBs.

Whilst a DIYer can change that, I always advise an engineer diagnosing the problem before buying more expensive parts.

Tony
 
Ah ok thanks Tony do you know or recommend anyone could have a look at it ?
Hackney East London cheers jc
Yes it has 2 pcbs
 
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There is no power going to the Ignition Board at all on the Red wire. So I am thinking the other main PCB is at fault or Air Pressure Switch ?
cheers jc
 

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