We've had the exact same problem. However, I think the answer given by Mr. Snif isn't quite right... Instead, that sounds like the answer as to how to fix the problem after a power cut, when the clock is flashing (and the oven won't work without the clock being set).
However, the actual problem at the moment is that the clock has stopped working completely (completely blank display) and pressing the buttons does nothing. The oven won't work at all, but the hobs and top oven (grill are fine).
Anyone seen this b4? Does the original poster have a solution?
Andy Thelwell
April 2007