If the icemaker appears to be leaking water into the ice bucket or onto the floor: Be sure the water line fittings are secure. Bottom-Mount Refrigerator – Clogged Drain Tube, Ice on Freezer Floor. Top Freezer Refrigerator – Water on Floor, Repairing a Clogged Defrost Drain.Click to see full answer. Keeping this in view, why is water leaking from ice maker?Cause 1: A blocked defrost drain is one of the most common causes of water leakage. This happens when food particles or other debris clogs up the drain hose, which can lead to ice buildup and, eventually, water leaking out of the freezer and refrigerator.One may also ask, what causes ice cubes to stick together? The defrost cycle radiates heat into the freezer. The ice in the freezer will naturally absorb the heat. This will cause the ice to melt slightly during defrost, then eventually freeze together in clumps. When the ice bin is full, the pressure from the weight of the cubes can cause the bottom cubes to fuse and clump. Besides, why does my Samsung Ice Maker leak water? Samsung Refrigerator leaking water. If the defrost drain is frozen, the water will overflow the drain trough and drip down to the bottom of the compartment. This water can eventually leak onto the floor. The water inlet valve opens to supply water to the dispenser and icemaker.Do ice makers need a water line?Refrigerators need water lines so that they can get the water needed to make ice and dispense water. That being said, if your refrigerator doesn’t have an ice maker or water dispenser, or if it has one or both of these but you prefer not to use them, you don’t need to connect the refrigerator to a water line.