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26114

Communication error, KPP/KSP (axis)

Kuka · KR C4 Operating Instructions

What does 26114 mean?

A communication error has occurred on the controller bus, specifically identified as an EtherCat issue, involving the KPP or KSP device for a specific axis. This indicates a disruption in data exchange between the KPP/KSP and the main controller or other bus participants. Loss of communication can prevent axis control and coordinated motion.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform a Power Off / Power On cycle of the entire system to reinitialize the drive bus.

  2. 2

    Inspect all EtherCat cabling for damage, proper connection, and secure latching at all nodes.

  3. 3

    Verify the configuration and operational status of the EtherCat stack within the controller software.

  4. 4

    Check the status indicators and diagnostics of the CCU (Controller Control Unit).

  5. 5

    Check the status indicators or diagnostics of the KPP device.

  6. 6

    Check the status indicators or diagnostics of the KSP device.

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 202)Search more codes in this manual