EL
ErrorLib
Brands
||
  1. Home
  2. Kuka
  3. KR C4 Operating Instructions
  4. 26103
About·Privacy·Terms

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 · KR C4 Operating Instructions

What does 26103 mean?

The KPP/KSP device has detected an internal error. This indicates a problem within the device's internal electronics or firmware that cannot be resolved externally without component replacement.

Common Causes

  • An unrecoverable internal error has occurred within the KPP/KSP control unit.
  • Firmware corruption or malfunction.
  • Internal memory error.
  • Logic fault in the KPP/KSP processor.
  • Watchdog timer reset due to system freeze.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Reinitialize the drive bus by performing a Power Off / Power On cycle of the entire system.

  2. 2

    Check the KPP module's LEDs for further diagnostic information or specific internal fault indicators.

Browse all codes in this manual (22)
Verified technical data. Last updated: April 2026

Related Faults

26032IxT overload error, KPP/KSP (axis)26033Ground fault, KPP/KSP (axis)26034Overcurrent, KPP/KSP (axis)
Source: Kuka KR C4 Operating Instructions
Open Manual (Page 200)Search more codes in this manual