Lighting Technician how-to

How to Troubleshoot a Dead Fixture

Quick fixes keep shows running.

Updated By the Career Education Institute Curriculum Team
Quick answer

Quick fixes keep shows running. In short: check; check; check, then complete the remaining steps below.

Step by step

  1. Check power.

  2. Check DMX connection and address.

  3. Check the fixture’s lamp or LED.

  4. Swap cables.

  5. Swap the fixture if needed.

  6. Document the issue.

Safety reminders for lighting technicians

  • Use fall protection at heights
  • Install safety cables on fixtures
  • Follow electrical safety and lockout
  • Wear gloves with hot fixtures

DMX · Cue · Fixture · Gel · Gobo · Truss: see the full lighting technician glossary.

More lighting technician how-to guides

Learn this in Lighting Technician trainingTake the practice test
Enroll in trainingTake fit quiz