Sommer Mis‑set Travel Limits

Door stops a few inches short of fully open or fully closed, consistently, without showing an error.

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Possible Causes

Limits programmed incorrectly, Door travel changed after hardware repair, Rail length mismatch after extension kit install

How to Fix / Troubleshooting

Safety: Keep clear of the door while re‑programming limits.

  • 1. Verify physical stops: Ensure nothing is blocking the door at the top or bottom of travel.
  • 2. Re‑program limits: Use the Sommer programming buttons to reset and then set new open and close positions exactly where you want the door to stop.
  • 3. Confirm extension kits: If an 8‑ft or 10‑ft extension kit was added, confirm the rail and travel are correctly configured per Sommer instructions.
  • 4. Test several cycles: Run the door multiple times to confirm consistent stopping points.
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Repair Difficulty

Easy 2/5
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