Ariston Outdoor Condensate / Defrost Water Drainage Issue

Water dripping from outdoor unit or excessive water around base.

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Possible Causes

Blocked outdoor drain holes, Missing or clogged drain fitting, Ice melt from defrost cycle not draining properly, Unit not level

How to Fix / Troubleshooting

Safety first: Turn off power before inspecting the outdoor unit. Surfaces may be slippery.

  • Step 1 – Identify water source: Some water dripping from the outdoor unit in cooling or defrost is normal. Check if water is overflowing from the base pan.
  • Step 2 – Clear drain holes: Inspect the base pan of the outdoor unit and clear any blocked drain holes using a small brush or wire.
  • Step 3 – Check drain fitting: If a drain fitting or hose is installed, ensure it is not blocked or kinked.
  • Step 4 – Level the unit: Ensure the outdoor unit is level or slightly tilted toward the drain side to encourage proper drainage.
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Repair Difficulty

Very Easy 1/5

Required Part

Outdoor Unit Drain Fitting
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