Heidenhain codes
HeidenhainParameterIntermediate30-120 minutes

230-003B

HEIDENHAIN 230-003B - Parameter checking: warnings issued

Parameter checking: warnings issued

This TNC7/TNC 640 error indicates an issue with 230-003B. Current configuration of the machine has discrepancies.

Root Cause Summary

HEIDENHAIN alarm 230-003B indicates parameter validation warnings during system startup or configuration changes. The TNC control has detected inconsistencies in machine parameters, typically related to power supply configuration, axis parameters, or hardware setup that don't match the expected values.

Safety

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

Causes and Fixes

  1. 1

    Access Machine Parameters

    Press MOD key, select 'Machine Parameters' from setup menu, navigate to power supply section (MP620-MP629).

    Use search function in parameter list by pressing GOTO and entering MP number directly.

  2. 2

    Verify Power Supply Settings

    Check MP620 (supply voltage setting) matches nameplate voltage, verify MP621 (power supply type) corresponds to installed PSU model.

    Never change power supply parameters without verifying actual hardware specifications.

  3. 3

    Cross-Reference Hardware

    Compare parameter values with physical power supply unit labels and electrical cabinet documentation.

    Document original values before making changes for easy rollback if needed.

  4. 4

    Apply and Test

    Save parameters with END key, perform controlled restart to validate changes clear the warnings.

    Monitor system behavior closely after parameter changes.

DIY Feasiblehigh confidence

Call a technician if:

  • ·Parameter changes don't clear warnings after multiple attempts
  • ·Safety-related I/O parameters are involved
  • ·Software update is required

Prevention

  • Document all parameter changes with date and reason
  • Backup machine parameters before modifications
  • Verify hardware specifications before changing related parameters
  • Perform parameter validation after any system updates

Common Mistakes

  • Ignoring parameter warnings assuming they're non-critical
  • Changing multiple parameters simultaneously without testing
  • Not documenting original parameter values before modifications
  • Failing to verify hardware compatibility with parameter settings

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