Hormann Threshold Obstruction or Floor Irregularity

Door reverses when almost closed, bottom seal does not fully contact floor

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Possible Causes

Raised floor area, Debris at threshold, Bottom seal too stiff or damaged, Close force set too low

How to Fix / Troubleshooting

Safety first: Keep feet and objects away from the closing edge while testing.

Step-by-step:

  • Clean threshold: Remove stones, ice, or debris from the floor where the door lands.
  • Inspect bottom seal: Check the Hormann bottom rubber for hardening, tears, or deformation. Replace if damaged.
  • Check floor level: If the floor is uneven, consider fitting a tapered bottom seal or threshold ramp to provide a uniform contact surface.
  • Adjust close force slightly: Increase the closing force parameter within safe limits so the operator can compress the seal without reversing prematurely.
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Repair Difficulty

Easy 2/5

Required Part

Bottom Seal / Weatherstrip
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