James M Avonmore , PA January 25, 2015 Frosted up and built up ice on coils in freezer side Installed new defrost heaters and thermostat. Very easy fix. Parts came in 3 days. 1/2 hour after fedex delivered parts my freezer was runing. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes