TCL Indoor Water Leakage / Drainage Failure

Water dripping from the front of the indoor unit or from the air outlet

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Possible Causes

Clogged condensate drain line on TCL indoor unit, Improper unit leveling, Cracked drain pan, Excessive indoor humidity

How to Fix / Troubleshooting

Safety first: Turn OFF the unit and place towels or a container under the leak.

  • Step 1 – Check unit level: Ensure the indoor unit is slightly tilted toward the drain side as per TCL installation guidelines.
  • Step 2 – Clear drain line: Use a wet/dry vacuum at the drain outlet outside to remove clogs. Flush with clean water if accessible.
  • Step 3 – Clean drain pan: Remove the front cover and gently clean the drain pan of algae and debris.
  • Step 4 – Inspect for cracks: If the pan is cracked, it may need replacement.

Warning: Do not use metal tools inside the drain pan; they can puncture plastic and worsen leaks.

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Repair Difficulty

Easy 2/5

Required Part

Condensate Drain Pan
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