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. 1

    Eliminate the fault condition within the safety loop circuitry.

  2. 2

    Ensure that only one enabling switch is pressed at a time during operation.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Kuka KRC2 KSS System Message