oven keeps going out?

my oven is nearly 1yr old, each time its turned on it makes a clicking noise like it has not ignighted but it has, it will only stay on for short period of times then it goes out all the lights go off like the time and timer and also the buttons get really hot they are unable to be touched its seperate from the hob i cant find any name on it or model number but any suggestions will be welcome please

karen
November 2009