Abdul S Queens , NY October 23, 2015 Appliance: General Electric Refrigerator TFX20JRXFWW Ge Refrigerator Tfx20jrxfww: Defroster was burned out causing evap to freeze and fridge to get warm. How to replace Refrigerator Defrost Heater. Ordered replacement defroster which was plug and play. Now fridge is cooling as new. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes