Sub-Zero
Door Alignment or Gasket Failure
Wine cooler door does not close or seal properly; door may pop open slightly after closing.
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Possible Causes
Misaligned hinges, Warped door, Compressed or torn gasket, Unit not level front‑to‑back
How to Fix / Troubleshooting
Safety first: Doors are heavy; support the door when adjusting hinges. Disconnect power if working near electrical components.
Step 1 – Level the unit
- Adjust front leveling legs so the unit is slightly tilted back.
- This helps the door self‑close and seal.
Step 2 – Inspect gasket
- Look for tears, gaps, or hardened sections.
- Warm the gasket with a hair dryer on low and gently reshape if slightly deformed.
- Replace the gasket if severely damaged.
Step 3 – Adjust hinges
- Loosen hinge screws slightly and adjust the door position for even gaps.
- Tighten screws securely while holding the door in alignment.
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Repair Difficulty
Easy
2/5
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