Nathan E Staesville , NC March 29, 2015 Appliance: General Electric Refrigerator TFX26KPDAAA Ge Refrigerator Tfx26kpdaaa: Refrigerator wasn't cold freezer wasn't as cold as it should be removed panel in rear of freezer and the coils were iced over defroster was bad replacement parts worked fine wires were a little. How to replace Defrost Heater Assembly. Removed panel inside freezer. Used a hair dryer to defrost the coils. Re moved the old defroster unit. Replaced the old defroster with the new one and replaced the panel and plugged it back up. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes