Whynter Condensate Leakage / Drainage Failure

Unit leaks water onto the floor from the bottom or rear during operation.

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Possible Causes

Clogged condensate drain channel, Loose or cracked drain hose, Overfilled internal tray due to stuck float, Unit not level causing overflow

How to Fix / Troubleshooting

Safety: Unplug the unit. Avoid standing in water while working on electrical appliances.

  • Level the unit: Ensure the air conditioner is on a level surface or slightly tilted as specified in the manual (window units usually tilt slightly outward).
  • Drain water: Remove drain plugs and fully drain the internal tank/tray.
  • Clean drain path: Remove rear or bottom panels to access the condensate tray and drain channel. Flush with warm water and use a brush to remove slime and debris.
  • Inspect hoses: Check the continuous drain hose for cracks, loose connections, or kinks. Replace the condensate drain hose if damaged.
  • Float function: Verify the float switch moves freely and is not stuck in a position that prevents proper draining.
  • Reassemble and test: After cleaning and re‑leveling, run the unit and monitor for leaks.
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Repair Difficulty

Easy 2/5

Required Part

Condensate Drain Hose
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