Hormann Door Out of Balance / Spring Failure

Door is very heavy to lift manually when disconnected from operator

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Broken torsion spring, Slipped spring cone, Incorrect spring tension, Broken cable on one side

How to Fix / Troubleshooting

Safety first: Do not attempt to adjust or replace torsion springs yourself; they are under high tension and can cause serious injury.

Step-by-step:

  • Inspect springs and cables visually: Look for a visible break in the torsion spring above the door or a loose cable hanging at the side.
  • Do not operate with operator: Disconnect power and do not use the operator to move a door with broken springs or cables; this can damage the Hormann operator.
  • Call a professional: Contact a qualified garage door technician to replace or adjust springs and cables, and to rebalance the door.
  • After repair: Once the door is balanced, reconnect the operator and re‑learn travel limits.
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Repair Difficulty

Professional Required 5/5

Required Part

Torsion Springs and Lift Cables (door hardware, not operator)
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