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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.

26103

Internal error, KPP/KSP (axis)

KUKA KRC4 · Robot Controller

What does 26103 mean?

The KUKA KRC4 KPP/KSP device has detected an internal error, indicating a malfunction within the module itself, possibly a software or firmware issue.

Common Causes

  • Internal component failure or software/firmware issue within the KUKA KRC4 KPP/KSP module.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Reinitialize the drive bus by performing a Power Off / Power On cycle for the KUKA KRC4 controller.

  2. 2

    Check the KPP device LEDs for any specific diagnostic indications of an internal fault.

  3. 3

    If the fault persists, exchange the KUKA KRC4 KPP module.

Browse all codes in this manual (21)
Verified technical data. Last updated: May 2026

Related Faults

-1General error-11Specified path not found-13Specified path is empty
Source: KUKA KRC4 Robot Controller
Open Manual (Page 200)Search more codes in this manual