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Access Tool Table

Press TOOL TABLE key, then select the tool number referenced in the alarm message (%1 parameter).

Use F3 key to quickly search for specific tool numbers in large tool tables.

Check Tool Type Parameter

Verify the TOOL TYPE column shows appropriate recess tool type (typically type 22 for grooving tools or type 23 for parting tools).

Never change tool types while a program is running or tool is in spindle.

Correct Tool Type

Change TOOL TYPE to appropriate recess tool type and press ENT to confirm the change.

Consult your tool manufacturer's documentation for proper TNC tool type classification.

Validate Tool Geometry

Ensure tool length (L) and radius (R) parameters are correctly entered for the recess tool geometry.

Use TOOL CALL to verify tool data is properly loaded before resuming program.

Open Tool Management

Navigate to Setup > Tool Management or press TOOL TABLE key to access tool data.

Use soft key 'TOOL DATA' for detailed parameter view.

Verify Critical Parameters

Check that tool length (L), radius (R), and cutting width parameters are populated with non-zero values.

Incorrect geometry data can cause collisions or poor surface finish.

Measure and Enter Tool Data

Use tool presetter or manual measurement to determine correct tool geometry and enter values in respective fields.

Enable tool monitoring (MON) parameter to track tool wear during cutting operations.

Test Tool Call

Execute a TOOL CALL command in MDI mode to verify the control accepts the tool with updated parameters.

Use M06 T[tool number] to test tool change sequence before resuming automatic operation.

Identify Called Tool

Check the alarm message %1 parameter to identify which tool number the program is trying to use.

Use PGM MGT > Search function to find all instances of the tool call in the program.

Locate Correct Recess Tool

Search tool table for available tools with appropriate recess/grooving tool type definitions.

Verify tool is physically available in magazine before making program changes.

Edit Program Tool Call

Modify the TOOL CALL statement to reference the correct recess tool number, or use TOOL DEF to redefine tool parameters.

Use block search (GOTO) to quickly navigate to the problematic tool call line.

Verify Operation Compatibility

Ensure the selected recess tool geometry is compatible with the programmed cutting-off cycle parameters.

Check tool overhang and rigidity requirements for the specific cutting-off operation depth.

Review Cycle Definition

Examine the cutting-off cycle (typically CYCL DEF 93 or similar) parameters in the NC program.

Use the HELP key while cursor is on cycle definition to see parameter requirements.

Check Tool-Cycle Compatibility

Verify that cycle parameters such as cutting width and approach angles match the selected tool's capabilities.

Mismatched parameters can cause tool breakage or workpiece damage.

Adjust Cycle Parameters

Modify cycle parameters to match the available recess tool geometry or select a different compatible tool.

Use calculator function (CALC key) to verify feed rates and speeds for the tool-material combination.