Charles M Athens , TX March 17, 2023 Appliance: Frigidaire Frg(V3) MRT15CSEW7 Frigidaire Refrigerator Mrt15csew7: The frig ran constantly and all food froze no matter the temp setting. How to replace Cold Control. Replaced the Cold Control {thermostat). 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes