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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

26046

Mains phase failure, KPP/KSP (axis)

Kuka · KR C4 extended

What does 26046 mean?

A failure has occurred in one or more mains phases supplying the KPP or KSP module for a specific axis. This indicates a loss of input power, preventing the drive from operating.

Common Causes

  • Power lead is damaged or disconnected.
  • KPP cabling fault.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the power lead for damage and proper connection.

  2. 2

    Check KPP cabling for damage and correct connections.

  3. 3

    Reinitialize the drive bus: Power Off / Power On.

  4. 4

    Check the KPP module.

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