600-00B5

Access Tool Table

Press MOD key, select 'Tables' and open TOOL.T table to view all tool entries.

Use Ctrl+F to quickly search for the problematic tool number shown in %1 parameter

Check Tool Type Column

Examine the 'TYPE' column for the affected tool. Valid types are typically 0-32 (mill), 10-19 (drill), 20-29 (tap), etc.

Never modify tool table while program is running

Correct Tool Type Value

Enter valid tool type number based on actual tool geometry. Reference machine manual for specific type definitions.

Type 0 (end mill) is safest default for unknown cutting tools

Save and Reset

Press END key to save changes, then cycle power or press CTRL+ALT+DEL to reset control.

Always backup tool table before making changes

Backup Current Tool Table

Use PGM MGT to copy TOOL.T to external storage before attempting repairs.

Always maintain multiple backup copies of tool tables

Check for Non-Numeric Characters

Scroll through TOOL.T TYPE column looking for letters, symbols, or blank entries instead of numbers.

Corruption may affect multiple table entries simultaneously

Restore from Backup

If corruption is extensive, restore TOOL.T from known good backup using PGM MGT file operations.

Check file date/time stamps to identify most recent clean backup

Verify Table Integrity

After restoration, manually verify several tool entries have proper numeric TYPE values before resuming operations.

Access Machine Parameters

Press MOD key, select 'Machine Parameters', navigate to MP7680 series (Tool Management parameters).

Machine parameter changes require appropriate access level and password

Review Tool Type Definitions

Check MP7680-MP7699 for proper tool type definitions matching your tool table TYPE values.

Document current parameter values before making any changes

Verify Tool Selection Logic

Ensure MP7700 series parameters for automatic tool selection are properly configured for your machine setup.

Incorrect tool selection parameters can cause crashes

Test Tool Selection

Use MDI mode to test T-function calls with the previously problematic tool numbers to verify correction.

Check Software Version

Press MOD key, select 'System Info' to verify current TNC software version and compare with tool table creation date.

Note exact software build number for compatibility verification

Review Release Notes

Consult Heidenhain documentation for software version to identify any tool type definition changes.

Some tool types may be deprecated in newer software versions

Update Tool Type Values

Modify TOOL.T entries to use current software-compatible tool type numbers as specified in updated documentation.

Create conversion chart mapping old to new tool type numbers

Validate All Tools

Systematically test each tool number to ensure compatibility with current software version before production use.