sounds like the heater element has gone Hoover clas there heater elements as consumables for these units and are required to be changed periodically. there is supliers selling them all over ebay as there a sold like mig welding tips lol.
http://search-desc.ebay.co.uk/search/search.dll?sofocus=bs&sbrftog=1&catref=C6&from=R10&_trksid=m37&satitle=hoover+tv30&sacat=-1%26catref%3DC6&fts=2&sargn=-1%26saslc%3D3&sadis=200&fpos=Postcode&sabfmts=1&saobfmts=insif&ga10244=10425&ftrt=1&ftrv=1&saprclo=&saprchi=&fsop=1%26fsoo%3D1 its behind the tin plate cup shaped like an L on the back of the unit fastened with about 8 screws element is a unit and is fastened by 2 screws and 4 wires black white yellow and red on spade connectors just unplug old one plug in a new one and all is goooooooood
fireicer, November 2007