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

Required Part

Door Gasket
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