F00101

Stack Overflow

Siemens · SINAMICS G120 Variable Speed Drive

What does F00101 mean?

A stack overflow error has occurred, indicating a severe software fault or processor failure within the drive's control unit. This is a critical internal error where memory allocated for program execution has been exhausted, leading to system instability or crash and making the drive inoperable.

Complete Troubleshooting Guide

  1. 1

    Immediately power down the drive and isolate it from the mains supply.

  2. 2

    Contact the Siemens Service Department for expert diagnosis, as this indicates a serious internal software or hardware issue.

  3. 3

    Prepare for the potential replacement of the inverter control unit.