When the freezer defrosts all of the water flows into a tray in the rear of the freezer, behind the sheetmetal, and then is supposed to drain down through a hose into the catch pan at the bottom of the fridge where it evaporates. What is happening is that the water does not completely drain before the freezer defrost cycle ends causing the water to freeze in the catch pan blocking the drain hole. When the freezer again defrosts, the water cannot drain and overflows down into the refridge. This may also be caused by dirt in the catch tray. My repair on two Amanas was to enlarge the drain hole allowing for faster draining. I had to rig a larger adapter to the drain hose to accomodate the larger opening.
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