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: March 2026

Related Faults

Source: Kuka KR C4 Operating Instructions
Kuka 26103 (Internal error, KPP/KSP (axis)) — Technical Ref… | ErrorLib