Freezer thawing and refreezing
The freezer is supposed to thaw at least everyday. Only, you usually kant tell because it doesn't do it long enough to melt the food so you don't notice it. You have a couple of components to check here. 1 is the defrost timer, which unless it has been changed recently, has the same pre determined defrost time. So you would have noticed by now. Next is the defrost termination switch. If you have excess ice on the evaporator, this will make the defrost longer than before. Unless the switch is going bad causing the defrost to go extra long, there is an excess amount of ice that is more than usual. Bad door seal will cause this. A slightly low freon charge. And a thermostat that is malfunctioning, causing the freezer to run continuously, will make excess ice buildup in the freezer. I would make sure the kids aren't leaving the door open and the gaskets are good. If not the case, call a repairman.
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