Has the oven been turned off at the mains? - It is has you need to hold down 2 of the buttons on the front panel to get the clock out of auto mode and it will then work.
I have just spent £40 finding this out!
Roger Woudman
June 2007
Automatic Answer
While you wait for answers, we may have found some information which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix electric cookers.