Refrigerators problem. problem with my refrigerator and freezer is dont give me any water or ice

Question

problem with my refrigerator and freezer is dont give me any water or ice .it just stop ,but light on door is "on' when you swithching from water to Ice and getting brigther and then shuts off. still making ice and everything else work fine. if you please can give me any idea what going , which part I need order to fix this thank you