Medisana Drainage System Blockage or Bucket Misalignment

Dehumidifier leaks water from the bottom or around the bucket area.

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Possible Causes

Blocked drain channel into bucket, Cracked bucket, Continuous drain hose connection loose, Evaporator condensate tray overflowing due to blockage

How to Fix / Troubleshooting

Safety: Unplug the dehumidifier and mop up any spilled water to prevent slipping.

  • Remove and inspect bucket: Check for cracks or damage. Replace the bucket if it leaks when filled with water.
  • Clean drain channel: Use a flexible brush or pipe cleaner to clear the drain hole and channel from the evaporator tray to the bucket.
  • Continuous drain: If using a hose, ensure it is firmly attached, not cracked, and slopes downward without kinks.
  • Check tray: Inspect the condensate tray under the evaporator for dirt or mold blocking the outlet. Clean thoroughly with mild detergent.
  • Reassemble and test: Reinstall the bucket fully and run the unit while monitoring for leaks.
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Repair Difficulty

Easy 2/5

Required Part

Water Collection Bucket
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