Viking Defrost Drain Clog or Drain Pan Overflow

Water leaking from bottom front of refrigerator; puddle on floor.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Clogged defrost drain tube, Frozen drain trough under evaporator, Cracked or misaligned drain pan, Excessive condensation from door gasket leaks

How to Fix / Troubleshooting

Safety first: Unplug the refrigerator before removing panels. Use towels to manage water.

Steps:

  • Locate defrost drain: Typically under the freezer evaporator coil, leading to a tube that exits near the compressor into a drain pan.
  • Clear ice and debris: Remove the freezer rear panel, melt any ice in the drain trough with warm water, and flush the drain hole with hot water using a turkey baster.
  • Check drain tube: From the rear, locate the drain tube and ensure it is not kinked or blocked with debris or mold. Clean as needed.
  • Inspect drain pan: Verify the pan is not cracked and is properly positioned under the drain tube.

Corrective action: Fully clear the drain path and correct any pan issues. If the drain repeatedly freezes, consider installing a Viking-approved drain heater kit or have a technician inspect for insulation gaps.

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Video Guide

2 Videos

Repair Difficulty

Medium 3/5

Required Part

Defrost Drain Tube and Drain Pan
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