freezer and frig. not working

MY UNIT JUST QUIT ONE DAY THE FAN IS WORKING. YOU CAN HEAR CLICKING WHEN IT IS PLUGGED IN LIKE IT IS TRYING TO COME ON.
THERE WAS NO PROBLEM WITH IT COOLING BEFORE IT WENT OUT:confused:

Pry off the cover on the side of the compressor and replace the start device AP3885081 if it looks burnt out or rattles when shaken.