Gree
Outdoor Defrost Water Drainage
Water leaking from outdoor unit during heating mode, forming ice or puddles.
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Possible Causes
Normal defrost water discharge, Blocked base pan drain holes, Missing or clogged drain fitting on base pan
How to Fix / Troubleshooting
Note: Some water under the outdoor unit during heating is normal due to defrost cycles.
- Step 1 – Inspect base pan: Turn OFF power and look under the outdoor unit. Ensure drain holes in the base pan are clear of leaves, ice, and debris.
- Step 2 – Clear obstructions: Use a small brush or wire to open blocked drain holes.
- Step 3 – Install drain kit (if needed): In areas where water must be directed away, install a Gree‑approved drain fitting and hose on the base pan outlet.
- Step 4 – If water leaks from coil connections: This may indicate a refrigerant leak with oil; call a technician immediately.
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Repair Difficulty
Easy
2/5
Required Part
Outdoor Unit Base Pan
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