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Mend Glow-worm 40FF Boiler Pcb Fault

g/w micron 40ff reset led on, burner led fast flashing?

Boiler not working & LED's on. Reset boiler, it will ignite then shut down. It does this three times then LED 1 Reset LED remains ON, Burner LED Fast Flashing (8Hz).
Fan runs Ok, C/H pump running, continuity check on ignitor & lead Ok.
System circa 10 yr old, PCB replaced 03/2007.
G/W tech advise could be ignitor / thermistor or PCB!
Any advice please?

Dodgy Rog
January 2013
Glow-wormGlow-worm 40FFHeating, Home Heating SystemsBoiler Pcb Fault

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