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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.

26

POW Microprocessor Watchdog

Kone · CMXC-022 Frequency Control Upgrade Kit

What does 26 mean?

An internal watchdog error has occurred, specifically related to the POW microprocessor within the R&M Materials Handling Frequency Converter. This indicates a software or hardware malfunction within the Power (POW) section that the watchdog timer failed to detect or reset.

Common Causes

  • Internal watchdog error in the POW microprocessor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Switch off the supply voltage to the frequency converter

  2. 2

    If the fault recurs after power cycling, replace the inverter

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 51)Search more codes in this manual