26041

Motor phase failure, KPP/KSP (axis)

Kuka · KR C4 extended

What does 26041 mean?

A failure has occurred in one or more motor phases connected to the KPP or KSP module for a specific axis. This indicates an open circuit or imbalance in the motor power supply, preventing proper motor operation and potentially causing damage.

Common Causes

  • Motor cable is damaged or improperly connected.
  • Motor winding fault.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect motor cable for damage and correct connections.

  2. 2

    Check motor windings for integrity (e.g., measure phase resistance).

  3. 3

    Reinitialize the drive bus: Power Off / Power On.

  4. 4

    Check the KSP module.

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Verified technical data. Last updated: March 2026

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