Kettle doesn't heat up and no light comes on when
Check the obvious, 13amp fuse, if intact connect a multimeter switched to ohms across the live and nuetral pins of the plug (not plugged into mains) the reading should be between 0.05 ohms and 1.5 ohms if higher the element has burnned out or the over temperature sensor has activated. to determine which you will need to open up the bottom of the kettle and expose the wiring. using the above multimeter with the same settings locate the heating element this will have two terminals protruding from the water compartment thes will have eithe screw or spade connections, connect the multimeter across these two terminals and check for the readings above if correct the problem is the over temperature sensor if not then the problem is the heating element. the over temperature sensor will be a circular disk with two terminals clamped to the underside of the water compartment.