Garage door reverses or will not close (safety sensors)

Nearly always the photo-eye safety sensors: blocked, misaligned, sun-blinded or miswired. Sensors must be repaired, never bypassed. If sensors are fine, look at force/limits and door binding.

Cross-checked ~30 min easyBrands: All

Before you start

  • Never bypass, tape, or remove the safety sensors; they are required for safe closing.
  • Keep people and pets out of the doorway while testing.
  • Do not touch springs or cables.

Diagnostic steps

Unlock all 5 steps with expected values

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

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Garage door reverses or will not close (safety sensors) · OnCall Tech