Once you have located the hole, clearing it is usually a simple process.
From inside the fridge, the drain connects to a that runs down the back of the appliance (behind the rear access panel) and empties into a drip pan located near the compressor at the bottom rear of the fridge. where is defrost drain on a refrigerator
If you find the drain is frozen shut, do not use a hair dryer on high heat or a sharp metal object, as these can damage the plastic liner or the cooling coils. Instead, use a turkey baster filled with hot (but not boiling) water. Squirt the water into the drain hole repeatedly until you hear it splashing into the drain pan below. Once you have located the hole, clearing it
Musty smells: Standing water inside the drain line can develop mold or odors. How to Access the Drain Instead, use a turkey baster filled with hot