Daikin Indoor Condensate Drainage Failure

Water leaking from Daikin indoor unit front panel or dripping onto the floor

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Possible Causes

Clogged condensate drain line, Algae or slime buildup in drain pan, Improper indoor unit leveling, Cracked drain pan or disconnected drain hose

How to Fix / Troubleshooting

Safety first: Turn off the unit and place towels or a container to catch water.

User steps:

  • Remove the front panel and filters to inspect the drain pan for standing water and debris.
  • Clean visible slime and dirt from the pan with a cloth and mild detergent.
  • Use a wet/dry vacuum at the outdoor end of the drain hose to suck out blockages.
  • Check that the indoor unit is slightly tilted toward the drain side; adjust mounting if obviously sloped the wrong way.

Technician tasks:

  • Flush the drain line with water and disinfectant.
  • Repair or replace cracked drain pans or hoses.
  • Inspect and service any internal drain pump if fitted.
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Repair Difficulty

Easy 2/5

Required Part

Condensate Drain Hose / Drain Pan
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