Siemens
Blocked Defrost Drain
Water leaking inside refrigerator compartment, often under drawers or from rear wall.
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Possible Causes
Clogged drain hole below evaporator, Ice plug in drain tube, Food debris or mold blocking drain channel, Misaligned drain heater (if fitted)
How to Fix / Troubleshooting
Safety first: Unplug the refrigerator before working inside the freezer or near the evaporator.
Steps:
- 1. Locate drain: Remove freezer drawers and rear panel to expose the evaporator. At the bottom of the evaporator tray there is a drain hole leading to a tube.
- 2. Clear ice: Use warm water (not boiling) in a turkey baster or syringe to melt any ice in the drain hole. Repeat until water flows freely.
- 3. Clean drain tube: From the rear of the appliance, locate the drain outlet above the compressor. Insert a flexible plastic line or pipe cleaner to clear any blockage.
- 4. Sanitize: Flush the drain with a mild solution of warm water and a little baking soda to reduce future clogs.
- 5. Check drain heater: If your Siemens model has a small heater near the drain, ensure it is correctly positioned to prevent ice build-up.
Tip: Avoid pushing food items against the rear wall; this can cause excess condensation and drainage issues.
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Repair Difficulty
Easy
2/5
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