One day when I get home, my refrigerator not running ( but light still on), I turn up the freezer control and temparature control to COLDEST position, refrigerator runing again , but I heard some click noise on front top right corener when it start. Few dau later, it seem to cold for food and vegetable, I turn down the freezer control and temperature control to MID position, refrigerator stll running for few housr and then STOP, not re start again. Please help me to fix this problem