i have a x reg is200 but im having problems with the cd player, ?

every time i try to load a cd i am pressing the load cd button and i am getting the msg (wait cd 1) this flashes for a few seconds and then it goes back to radio. it wont let me insert a cd into the drive. whats wrong with it, is it something simple, or is it gona have me pants down to pay for it... help required