This is the sneakiest problem. If the drain tube is too close to the freezer cooling lines, the water freezes before it leaves the tube. You get a "Popsicle plug" that stops everything. You’ll have a dry drain pan and a flooded freezer.
Crumbs, coffee grounds, loose lettuce leaves, and that mysterious sludge from the bottom of a takeout container. These solids wash down with the meltwater and get stuck in the narrow drain port.
If you’ve ever pulled your fridge out to find a mysterious puddle of water under the crisper drawers, or you’ve noticed a thin layer of ice building up on the back wall of your freezer, you’ve met the culprit.
Take a 12-inch piece of thin copper wire (like 12-gauge electrical wire stripped bare). Stick one end of the wire into the drain hole as far as it will go. Wrap the other end around the defrost heater element (the metal rod behind the freezer panel).
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