Joseph H Wheatland , WY March 17, 2016 Appliance: Whirlpool Refrigerator GX5SHDXTQ00 Whirlpool Refrigerator Gx5shdxtq00: Freezer wasn't defrosting. How to replace Refrigerator Electronic Control Board. Replaced control board. youtube video showed step by step instructions Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes