Travis M Caldwell , ID September 08, 2022 Appliance: General Electric Refrigerator ESS25LSNABS Ge Refrigerator Ess25lsnabs: Freezer not defrosting. How to replace Refrigerator Temperature Sensor. After removing the inside back panel and thawing the coils with a blow dryer. I tested the heating element with an ohm meter. It showed a reading so I knew it was good. This website said the defrost problem is from one of three parts, and since the other two parts are cheap and easy to replace I bought both to save troubleshooting time. The freezer works properly again. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours