Just fixed mine.
blocksge in pilot injector.
SWITCH GAS OFF AT MAIN
remove nut at base of pilot tube ang remove injector.
strip a piece of electrical flex and use a single strand of wire as a pricker and look through to make sue tube clear, reassemble making sure nut leaktight.
switch gas back on and try.
if the imjector is blocked thermocouple dosnt get hot enough
NO LIABILITY TAKEN IF YOU FOLLOW THIS PROCEDURE!!!
martin
December 2006