Ira M Wetumpka , AL January 12, 2015 Appliance: Frigidaire Refrigerator FRS26H5ASB9 Frigidaire Refrigerator Frs26h5asb9: Evap fan constantly starting & stopping sounded like it was "breathing" found freezer coils frozen solid refrigerator temp increased to 55 degrees. How to replace Adaptive Defrost Control Board. Replaced Adaptive Defrost Control Board as per your video. This corrected the problems. If you put a new wiring harness on, switch the wires one at a time so you don't get confused. 83 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours