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
Inspect all safety circuit components for open contacts, wiring breaks, or malfunctions.
- 2
Verify the light path settings in the laser system align with the requested light path in the robot program.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kuka LaserTech 3.1