Heidenhain codes
HeidenhainPower SupplyIntermediate30-120 minutes

130-00A0

HEIDENHAIN 130-00A0 - Directory could not be erased

Directory could not be erased

This TNC7/TNC 640 error (130-00A0) relates to 'Directory could not be erased'. The current directory cannot be deleted.

Root Cause Summary

This alarm indicates a file system operation failure where the TNC cannot remove a directory due to protection mechanisms, active references, or underlying storage issues. The control's file management system prevents directory deletion when contents are locked, protected, or the storage medium has integrity problems. Resolution requires identifying and removing the blocking condition before the directory can be erased.

Safety

  • Refer to Heidenhain service manual
  • Ensure qualified technician performs repairs

Causes and Fixes

  1. 1

    Open Program Management

    Press PGM MGT key to access the file manager and navigate to the directory in question using the directory tree view.

  2. 2

    Display All Files

    Ensure all file types are visible by checking the file filter settings. Press the 'Show All Files' softkey if available to reveal hidden or system files.

    Some TNC models hide .H files or system files by default - change filter to see everything in the directory.

  3. 3

    Delete Directory Contents

    Select each file or subdirectory within the target directory and delete individually. For subdirectories, recursively empty them first before deletion.

    Verify files are not needed before deletion - back up important NC programs and data to external media.

  4. 4

    Retry Directory Deletion

    Once completely empty, select the directory and press the 'Delete' softkey or DEL key to erase the directory.

DIY Feasiblemedium confidence

Call a technician if:

  • ·If file system corruption is detected and repair tools are unavailable or unsuccessful
  • ·If hardware issues are suspected and diagnostic tools confirm storage device failure

Prevention

  • Regularly back up critical directories to avoid data loss during deletion attempts
  • Ensure proper user permissions are set to avoid access conflicts
  • Perform routine file system checks to detect and repair corruption early
  • Avoid storing unnecessary files in active working directories

Common Mistakes

  • Attempting to delete directories without checking if they are in use by active programs
  • Ignoring user permission settings and repeatedly attempting deletion without elevated access

Related Alarms

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Always verify with your machine manual or a certified technician before performing service procedures.