Sub-Zero External Leak – Drain Pan or Condensation Issue

Water leaking onto the floor from under or in front of the wine cooler.

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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

Cracked or misaligned drain pan, Excessive condensation from high humidity, Blocked drain tube causing overflow, Door gasket leak allowing warm air in

How to Fix / Troubleshooting

Safety first: Disconnect power before removing lower panels. Floors may be slippery; wipe up water promptly.

Step 1 – Locate source

  • Remove the lower grille and inspect the drain pan near the compressor.
  • Check for cracks, misalignment, or overflowing water.

Step 2 – Clear drain

  • If the pan is overflowing, clear the defrost drain as described for internal leaks.

Step 3 – Inspect drain pan

  • Ensure the pan is properly seated and not cracked.
  • Replace the drain pan if damaged.

Step 4 – Check door gasket

  • Inspect the door gasket for gaps that can cause excessive condensation.
  • Replace the gasket if it is torn or deformed.
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Repair Difficulty

Medium 3/5

Required Part

Drain Pan
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