SikContactOpen
Laser safety circuit is still open: Ensure laser safety before the robot program is resumed
Kuka · LaserTech 3.1
What does SikContactOpen mean?
The laser safety circuit remains open, preventing safe laser operation. This could be due to an actual open safety interlock or a mismatch between the light path settings in the laser and the requested light path configuration.
Common Causes
- Laser safety interlock circuit is open.
- Ensuring laser safety is required before resuming robot program.
- Safety contact for laser is not made.
- Laser safety door or cover is not closed.
- One or more safety sensors for the laser are not active.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect all components of the laser safety circuit (e.g., safety doors, light barriers, emergency stops) to ensure they are closed and functional.
- 2
Verify that the light path settings configured in the laser system match the light path requested by the robot program.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kuka LaserTech 3.1