glow worm compact 100e

Joined
9 Feb 2007
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Staffordshire
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United Kingdom
Hi please help if you can!!!

I have a glow worm compact 100e combi boiler, it is about 5 years old. On Wednesday evenint it decided not to work!! No hot water or c.h. When demand is called for either water or ch, fan comes on, various parts whizz and click but there is no spark to ignite the gas.
The air pressure switch seems to be working, pipes not blocked and power getting to it.
I thought it wes the pcb so paid £102, fitted it but still the same problem.

Any ideas??
 
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Is the pressure showing about 1 Bar?

Have a look at the little test point on top of the boiler (back right). Is the blanking cap still in place?

I suggest you put your old board back in. You can't just replace the board as there are many settings to adjust with a new board.
 
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Pressure is 1 bar, blanking cap is on and I will put old board back in the morning, i'm too cold to do it now. :(
 
Check the continuity of the overheat stat, that the aps signal is getting back to the board, and the ignition leads/electrode.
 

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