Amana ABB1921DE Bottom Freezer Refrigerator "exageration" Questions

My Amana refrigerator defrost timer is supposed to cycle every eight hours. Instead it takes about 14 hours to cycle around back to the defrost mode. The defrost mode does last for the proper 20 ...

something is burning on the freezer side of samsung side by side freezer At first I thought it was the ice maker so I shut it off. There is a hot spot running down the outside panel on the freezer ...