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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

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.

Browse all codes in this manual (36)
Verified technical data. Last updated: April 2026

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Source: Kuka KRC2 KSS System Message
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