11

Task stack for command execution too small

Kuka · KRC2 KSS System Message

What does 11 mean?

This occurs during program or command execution when the KRL program or command has insufficient task stack available for execution. This will cause ramp-down braking and inhibit all active commands.

Common Causes

  • The task stack allocated for command execution is too small.
  • Insufficient memory allocated for processing incoming commands.
  • Complex or numerous commands exceeding the available stack space.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Alter the program structure to reduce the task stack usage.

  2. 2

    Perform a reset of the program after modifying its structure.

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Verified technical data. Last updated: March 2026

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Source: Kuka KRC2 KSS System Message