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ErrorLib — Industrial Fault Code Library

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26043

Unknown status flag received, KPP/KSP (axis)

Kuka · KR C4 extended

What does 26043 mean?

The EtherCAT master has received an unknown status flag from the KPP or KSP module for a specific axis, indicating a software error within the EtherCAT master. This suggests an unexpected communication state.

Common Causes

  • Software error in the EtherCAT master.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect all EtherCAT cables and connectors for the affected KPP/KSP axis module for damage, secure connection, and proper shielding.

  2. 2

    Verify the operational status and any fault indicators (LEDs/display) on the specific KPP/KSP module for the affected axis.

  3. 3

    Check the EtherCAT master configuration within the Kuka controller software for correct slave addressing and data mapping for the KPP/KSP module.

  4. 4

    Perform a controlled power cycle of the entire Kuka KR C4 controller system to reset all EtherCAT components.

  5. 5

    Review the Kuka system logs and EtherCAT master diagnostics for additional error messages or communication statistics specific to the unknown status flag.

Browse all codes in this manual (35)
Verified technical data. Last updated: April 2026

Related Faults

26030Device state: OK26031Internal error, KPP/KSP (axis)26032IxT overload error, KPP/KSP (axis)
Source: Kuka KR C4 extended
Open Manual (Page 234)Search more codes in this manual