Grover C Russellville , AR October 16, 2017 Appliance: General Electric Refrigerator CSH24GRTAAA Ge Refrigerator Csh24grtaaa: It will not defrose timer is bad replace it!!. How to replace Refrigerator Defrost Timer. Replace defrose timer/ control.. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes