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no spark ignition from my vaillant 242?

Coming home from holiday I found there was no hot water or C.H. The piezo spark was not attempting top fire and there is no flame failure light at all and nothing happens when the FF button is pressed, Ideas please?

Ian
August 2009
Hi M , I noticed it was at min (RED sction) but topped it up to 1.2 Bar (green section) still same. It goes through the normal routine and clicks with the diverter micro switches ect but then no spark or attempt to,Regards Ian

Ian
August 2009
what is the pressure in your boiler?
it should be around 1.2 bar

m
August 2009

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