Just to say thanks to Dragica above, you're a legend!
Elouise, November 2010
You should have small hole under your boiler, there you will find hidden reset button, pot you finger in push the small button up, that shoul resete your boiler to work again. Good lick
Dragica, April 2008
It doesn't have a pilot light. It is a self igniting boiler. When the radiators / hot water need heating it lights the gas.