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glow worm ultimate sparking but not igniting?

my glow worm ultimate was working fine but now does not light. I can hear the fan start up and can see the spark, keeps sparking but is not igniting. I know I have a working gas supply as my gas cooker still works. Any ideas as to cause and remedy?
Steve Cox, April 2006


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done
More than likely it is a blocked pilot injector, these seem prone to blocking when they get over 8 years old. The pilot assembly and tube has to be disconnected and the two tiny holes in the pilot injector need to be unblocked with a small peice of wire or needle.

Phil, February 2007
Thanks, turned out to be failed coils on gas valve. The valve itself is OK. All fixed now thanks.

stevec, April 2006
poss gas valve faulty.poss pilot blocked check for 240 volts at valve if there is then check gas coming from pilot supply if no gas it needs new vavle

paul, April 2006

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