it sounds like your toc has blown you can bypass your toc on the back of your heater and see if that heats up if not it will be your element we sell the tocs for 12.99 + p&p
changing.rooms@btconnect.com, October 2006
check to see if you have any shorting out wires, check to see if the heating element is broke. sometimes they break after time and touch every now and then which will cause speratic heating and /or shorting out