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Potterton Prima 40f boiler which does not ignite

I forgot to update this but basically:

It was the control board at fault.

Turns out that these boards contain three problematic capacitors which, over time, start playing up. Replacing them (for next to nothing) fixed the fault perfectly and it's run well ever since.
 
Not surprised, just about everything has problematic capacitors in their SMPSUs these days including my old Sky HD boxes. :(
 
jackthom said:
Not surprised, just about everything has problematic capacitors in their SMPSUs these days including my old Sky HD boxes. :(
Click to expand...

The change to solid caps in motherboards was a welcome one :)

In this case, housing the board next to that nice hot boiler probably doesn't help any..
 

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