If the fan inside the freezer runs then your problem is most likely with the compressor start relay and overload. If nothing runs check the defrost timer, located top right in refrigerator by turning little shaft CW.
The start relay kit Part number: AP3108472
The defrost timer kit Part number: AP3110896
Here is the breakdown diagrams for you refrigerator http://www.appliancepartspros.com/pa...model_id=50410