Could be the programmer, click it round to the next stage, if it starts up again then that's your problem. If it is that best is to buy a new one.
Now for the shameless plug
John Lewis - Washing Machines
Also don't forget a treat for the lady who washes your smalls
John Lewis - Lingerie
Oh and get one of these too.
Amazon.co.uk: The Washing Machine Manual (Haynes Home & Garden): Books: Graham Dixon