It's the heater, first of all unplug then remove the heater cover screwed to the back panel. If there is any water in the base then soak it up. Get a hair dryer & dry the elements. Refit everything & try it, if it ends up tripping your elecs. after a day or two your pump has probably gone which will need replacing.
The washer man
July 2010
check the socket you have it pluged into , try a different one ,
mark
June 2010
I can answer this question...
why does my hotpoint CTDOO condenser drier keep tripping the electric?
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Try fixfault.com to fix tumble dryers.