ShutterOpen

Safety circuit open, shutter closed

Kuka · LaserTech 3.1

What does ShutterOpen mean?

The safety circuit is open, but the laser shutter is currently closed. This could indicate a problem with the safety circuit itself or a discrepancy between the laser's internal light path settings and the program's requested path.

Common Causes

  • Safety circuit is open, causing the shutter to close.
  • Laser beam path is blocked by the shutter due to safety.
  • Safety interlock has activated, closing the shutter.
  • Shutter mechanism failed to open due to safety condition.
  • External safety signal resulted in shutter closure.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect all safety circuit components for open contacts, wiring breaks, or malfunctions.

  2. 2

    Verify the light path settings in the laser system align with the requested light path in the robot program.

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Verified technical data. Last updated: March 2026

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