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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.

41

IGBT Overtemperature

Kone · CMXC-022 Frequency Control Upgrade Kit

What does 41 mean?

The internal IGBT (Insulated Gate Bipolar Transistor) temperature within the R&M Materials Handling Frequency Converter has become too high. This indicates that the power semiconductors are overheating, which can lead to damage or failure if not addressed.

Common Causes

  • Excessive internal IGBT temperature within the frequency converter

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Allow the frequency converter unit to cool down

Browse all codes in this manual (40)
Verified technical data. Last updated: April 2026

Related Faults

1Overcurrent13Under temperature14Overtemperature
Source: Kone CMXC-022 Frequency Control Upgrade Kit
Open Manual (Page 52)Search more codes in this manual