Hi Mark,
What`s the serial number?..Mine has just done the same thing and I have only had it 3 days!
I think there may be a batch with dodgy control modules...luckily mine will be sorted under warranty.
Partsmaster has spares
http://www.partmaster.co.uk/cgi-bin/search.pl?brand=Kenwood&model=KDW60X10&path=67231%2C111264%3A67242&shop=kenwood&query=Kenwood+KDW60X10+control&part=control
Martyn, May 2011