13
Error safety loop
Kuka · KRC2 KSS System Message
What does 13 mean?
A channel in the safety loop has failed, or more than one enabling switch has been pressed simultaneously. This will cause path-maintaining braking and inhibit all active commands.
Common Causes
- The safety loop has detected an error condition.
- Interruption or fault in the physical safety circuit (e.g., emergency stop button, safety gate).
- Safety device triggered or malfunctioning.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Eliminate the fault condition within the safety loop circuitry.
- 2
Ensure that only one enabling switch is pressed at a time during operation.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kuka KRC2 KSS System Message