26116

Unknown device status, KPP/KSP (axis)

Kuka · KR C4 Operating Instructions

What does 26116 mean?

The KPP or KSP device for a specific axis is reporting an unknown internal device status. This indicates that the device is in an unidentifiable operational state, which could be due to an internal malfunction or a software anomaly. This condition may prevent proper operation and requires further investigation.

Common Causes

  • The KPP/KSP internal diagnostics reported an unrecognized error code.
  • A hardware fault within the KPP/KSP has led to an indeterminate internal state.
  • Power supply fluctuations causing unstable operation of the KPP/KSP.
  • Software corruption on the KPP/KSP controller.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Access the KPP/KSP diagnostic interface via terminal Y2.

  2. 2

    Record the reported internal device status code for analysis.

  3. 3

    Cycle power to the KPP/KSP module for a minimum of 10 seconds.

  4. 4

    Measure the voltage supply at KPP/KSP power terminal Z3.

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Verified technical data. Last updated: March 2026

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Source: Kuka KR C4 Operating Instructions