KitchenAid Defrost Drain Clogged or Drain Pan Overflow

Freezer is leaking water onto the floor from the front or underneath.

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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, Ice blocking drain trough, Cracked drain pan, Excessive frost due to door gasket leak

How to Fix / Troubleshooting

Safety first: Unplug the freezer before removing interior panels. Water on the floor can be slippery; wipe up spills promptly.

  • Step 1 – Locate source: Check inside the freezer for ice buildup on the bottom or under baskets. This often indicates a blocked defrost drain.
  • Step 2 – Access drain trough: Remove the rear interior panel to expose the evaporator and drain trough beneath it.
  • Step 3 – Clear ice: Use warm (not boiling) water in a turkey baster or squeeze bottle to melt ice in the drain trough and opening. Repeat until water flows freely down the drain.
  • Step 4 – Clean drain tube: From the rear of the unit, locate the drain tube above the drain pan. Gently run a flexible plastic line or pipe cleaner up the tube to clear debris.
  • Step 5 – Inspect drain pan: Check the drain pan for cracks or misalignment and reposition or replace if damaged.

If leaks continue, check for door gasket leaks causing excessive frost and address gasket issues.

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Repair Difficulty

Medium 3/5

Required Part

Defrost Drain Tube
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