I defrosted my freezer 2 days ago and now it's not working, why?

My freezer was packed to the hilt with thick ice so I defrosted it over 12 hours, cleaned it up and closed the door. There was nothing in the freezer at all. Yesterday I filled ice cube bags and ice lolli molds but today they are still liquid, its cool like a fridge but it isn't freezing. The freezer is about 3... show more My freezer was packed to the hilt with thick ice so I defrosted it over 12 hours, cleaned it up and closed the door. There was nothing in the freezer at all. Yesterday I filled ice cube bags and ice lolli molds but today they are still liquid, its cool like a fridge but it isn't freezing. The freezer is about 3 years old. Can anyone help me?
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