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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.

ProgAbortOrExt- Failure

Program was aborted or external error signal active

Kuka · LaserTech 3.1

What does ProgAbortOrExt- Failure mean?

The robot program has been aborted, or an external error signal is currently active. This indicates an interruption to the program flow due to an unhandled condition or an active external fault input.

Common Causes

  • Program execution aborted by user or system command.
  • External error signal from another system active.
  • Interruption signal received from a connected device.
  • Failure detected during program execution sequence.
  • Watchdog timer expired, causing program abort.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Identify and eliminate the root cause of the program abort or the active external error signal (e.g., external PLC fault).

  2. 2

    Acknowledge the message on the robot controller HMI.

  3. 3

    Resume or restart the program.

Browse all codes in this manual (46)
Verified technical data. Last updated: April 2026

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Source: Kuka LaserTech 3.1
Open Manual (Page 77)Search more codes in this manual