What causes Siemens SINUMERIK alarm 103010?

File name exceeds 32 character limit including block and program ID prefix. File name contains invalid characters such as separators (slashes, dashes, spaces) or special symbols. File name does not start with letters in the first and second positions. Incorrect file name syntax with non-alphanumeric characters other than underscore.

How do I fix Siemens SINUMERIK alarm 103010?

1. Verify the complete file name length does not exceed 32 characters, including the _N_ and _MPF prefix portions 2. Review the file name for prohibited characters; remove separators like forward slashes, hyphens, and spaces; retain only letters, digits, and underscores 3. Confirm the first and second characters of the file name are letters; numeric or underscore characters in these positions will trigger the alarm 4. Rename the file to comply with requirements and re-enter it into the control system 5. Test file creation with a simplified name such as Program_001 to verify control acceptance of the naming convention

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Siemens SINUMERIK Controller

Servo/Axis · Basic · 5-10 minutes

Alarm 103010

Siemens 840D 103010 - Invalid file name

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.

Siemens SINUMERIKServo/AxisBasic5-10 minutes

103010

Siemens 840D 103010 - Invalid file name

Invalid file name

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
Press RECALL key on the operator panel to view the exact file name that triggered the alarm.
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
Rename the file using only valid characters. Example: Change 'PART-123' to 'PART_123' or 'my program.mpf' to 'MYPROGRAM.MPF'.
4
Reset the alarm and attempt to save/load the file again with the corrected name.

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