Diplomat integrated DISHWASHER ADP 8332?

My dishwaser has a red light that looks a bit like a star or snowflake constantly on. It won't start and no matter what I try can't get rid of this light. I have no manual and I am not sure what the light means or whats wrong with it. I have triied pressing the on/off button loads of times after each other. It will not let me choose a program as the red light seems to jam the other buttons. Can anyone help