Its an electricians job really: Only competent individuals should continue.
 If you feel competent, disconnect the power to the machine completely.
Remove the  bottom front cover( plinth). Remove both wires from the heater element and insulate them.
Run the machie as normal . If you do not get a mains trip it will be the heating element
They cost about £25 from and appliance shop
                
 andy
                
 October 2006