Doors & Hardware

BuildingWrench repair guide

Doors & Hardware

Automatic Door Won’t Open: Safe Facility Checks

An automatic pedestrian door that will not open can be in the wrong mode, lose power, have a blocked sensor, remain mechanically locked, or have an operator fault. Keep routine checks external.

Last reviewed 2026-09-12 · General facility-maintenance information, not a substitute for site procedures, manufacturer instructions, codes, or qualified professional judgment.

Routine facility fixSkill: Beginner-friendlyFormat: Diagnose → Fix → Test
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Safety boundary

Preserve required egress, fire-door, security, and accessibility functions after any adjustment.

Full troubleshooting steps are in Pro

The safety boundary, quick answer and stop-work conditions above stay free. Pro opens the likely causes, symptom table, step-by-step procedure and preventive maintenance for this guide.

Stop and call a licensed professional when

  • Door strikes or nearly strikes users
  • Safety sensor does not respond
  • Operator makes grinding or burning noises
  • Accessibility route is compromised

Mistakes, FAQ, parts and tools

Pro opens the rest of this guide: common mistakes, field FAQ, the parts list, and the tools for the job.

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