Heidenhain codes
HeidenhainCommunicationIntermediate30-120 minutes

210-001A

HEIDENHAIN 210-001A - Incorrect binary data in system file (list)

Incorrect binary data in system file (list)

This TNC7/TNC 640 error (210-001A) relates to 'Incorrect binary data in system file (list)'. Error during binary transmission of a list in a message.

Root Cause Summary

HEIDENHAIN alarm 210-001A occurs when the TNC control detects corrupted or invalid binary data during transmission of system files or parameter lists. This typically happens during data backup/restore operations, network file transfers, or when accessing corrupted system configuration files.

Safety

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

Causes and Fixes

  1. 1

    Access MOD function

    Press MOD key, then select 'System Files' to check file integrity of PLC.SYS and machine parameter files.

    Always backup working parameter sets before making changes

  2. 2

    Restore from backup

    Navigate to MOD > Data Backup/Restore > Machine Parameters and restore from a known good backup file.

    Ensure machine is properly homed after parameter restore

  3. 3

    Verify parameter integrity

    Check critical machine parameters (MP1020-MP1050 axis configuration) for valid values and proper formatting.

    Use parameter comparison function to identify corrupted entries

  4. 4

    Reset and reload

    Perform controlled restart (MOD > Reset > Warm Start) to reload system files from backup location.

DIY Feasiblehigh confidence

Call a technician if:

  • ·CF card replacement required
  • ·Firmware update needed
  • ·Persistent file system corruption

Prevention

  • Regular system backups
  • Use UPS for power protection
  • Monitor CF card health
  • Validate file transfers

Common Mistakes

  • Ignoring backup procedures
  • Using non-Heidenhain CF cards
  • Interrupting file transfers
  • Not checking parameter ranges

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