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How can I fix a sub-zero refrigerator that is giving off a foul odor?

To fix a Sub-Zero refrigerator emitting a foul odor, follow these steps:
1. Remove spoiled food: Check for expired or spoiled items and remove them from the refrigerator.
2. Clean the interior: Empty the refrigerator, take out all shelves and drawers, and clean them with a mixture of water and baking soda.
3. Check the drain pan: Ensure the drain pan underneath the refrigerator is clean and free from any buildup.
5. Inspect the door gaskets: Clean the rubber gaskets around the doors and check for any mold or mildew growth. Wipe them with a mixture of water and mild detergent.
6. Air out the fridge: Leave the refrigerator open for a while to let it air out and remove any lingering odors.
If the odor persists, consider using activated charcoal or contacting a professional for further inspection.
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