Steve J Desert Center , CA June 30, 2015 Appliance: Frigidaire Side By Side Refrigerator FRS26ZGEW2 Frigidaire Refrigerator Frs26zgew2: Freezing up. How to replace Defrost Heater (Evaporator). Replaced the defrost heater, and defrost thermostat. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes