Garage Door Technician how-to

How to Fix Garage Door Safety Sensors

Sensors prevent injuries.

Updated By the Career Education Institute Curriculum Team
Quick answer

Sensors prevent injuries. In short: check; clean; check, then complete the remaining steps below.

Step by step

  1. Check alignment.

  2. Clean lenses.

  3. Check wiring.

  4. Check indicator lights.

  5. Test with an object.

  6. Explain to the customer.

Safety reminders for garage door technicians

  • Use proper winding bars
  • Clamp tracks
  • Use ladders safely
  • Wear eye protection

Torsion spring · Extension spring · Winding bar · Cable drum · Roller · Track: see the full garage door technician glossary.

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