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ErrorLib — Industrial Fault Code Library

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NoExternMode- Possible

No feedback of the laser by external control

Kuka · LaserTech 3.1

What does NoExternMode- Possible mean?

The LSRI_LsrExternEnabled signal, which indicates external control is enabled, is not being generated. This means the laser is not allowing external control, potentially because it's off, resetting, or in manual mode.

Common Causes

  • Laser system not providing feedback for external control.
  • Communication error with laser external control interface.
  • Laser status signal not received by master controller.
  • Laser is not in a state to accept external commands.
  • External control mode not enabled on laser.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify that the laser system is switched on and powered.

  2. 2

    Check if the laser is currently undergoing a reset sequence.

  3. 3

    Confirm the laser is not in manual mode (refer to 'LsrInManual-Mode' resolution).

  4. 4

    Verify the wiring and logic for the LSRI_LsrExternEnabled signal input.

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

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Source: Kuka LaserTech 3.1
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