Siemens SINUMERIK codes
Siemens SINUMERIKServo/AxisBasic5-10 minutes

103010

Siemens 840D 103010 - Invalid file name

Invalid file name

The file name entered: Must not have more than 32 characters (letters, digits, underscore; including the block and program ID:_N_ and _MPF), amounts to 25 assignable characters. Cannot have any separators (e.g. /). Must have letters at the first and second position. Remedy: --

Root Cause Summary

Alarm 103010 occurs when attempting to save, load, or reference a file with a name that violates SINUMERIK file naming conventions. This is typically caused by user input errors when creating or renaming NC programs, subroutines, workpiece files, or data files. The file name must follow strict formatting rules regarding length, character types, and positioning.

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Causes and Fixes

  1. 1

    Press RECALL key on the operator panel to view the exact file name that triggered the alarm.

  2. 2

    Check the file name for any characters other than A-Z, 0-9, and underscore. Remove all spaces, slashes, hyphens, periods (except .MPF/.SPF extension), or special characters.

  3. 3

    Rename the file using only valid characters. Example: Change 'PART-123' to 'PART_123' or 'my program.mpf' to 'MYPROGRAM.MPF'.

  4. 4

    Reset the alarm and attempt to save/load the file again with the corrected name.

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