Thomas G Old Bridge , NJ June 16, 2020 Appliance: Frigidaire Refrigerator FRS26LH5DQ5 Frigidaire Refrigerator Frs26lh5dq5: Icing up in freezer and no air in refrigerator. How to replace Refrigerator Defrost Thermostat Kit. Defrost heater and thermostat. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours