104217

Access the tool management menu (HMI > Machine > Tool Management) and check for duplicate tool numbers, missing tool types, or invalid magazine location assignments.

Review the tool data for the specific tool called in the NC program - verify T-number, D-number, magazine position, and tool type are correctly defined and consistent.

Check the alarm buffer and PLC diagnostic for related tool management alarms that may have preceded 104217, indicating which specific tool or location caused the issue.

Perform a tool list reload by executing 'Delete tool list' followed by 'New tool list' in the tool management menu to reinitialize the tool data structure.

This will clear all current tool offset data - ensure backups exist before proceeding.

In Service mode, navigate to Commissioning > PLC > Status Variables and monitor the tool change interface signals (typically DB19-21 for tool management) during a manual tool change attempt.

Ensure machine is in a safe state with proper guarding before initiating manual tool change.

Verify PLC signals for magazine position feedback, pocket occupied sensors, and gripper status match the expected physical state of the tool changer.

Check for PLC program modifications or recent parameter changes in the tool management function blocks that may have altered the handshake timing or signal logic.

Review machine data MD18100-MD18118 (tool management configuration) to ensure timeout values and interface settings match the PLC implementation and actual hardware response times.

Verify magazine configuration parameters MD18100 (number of magazines), MD18102 (magazine type), and MD18104 (number of pockets) match the actual physical tool changer configuration.

Physically inspect the tool magazine pocket sensors and coding system - check for damaged tools, incorrectly seated tools, or debris blocking pocket detection sensors.

Lock out machine power and follow LOTO procedures before physical inspection.

Execute a magazine reference run to reinitialize the magazine position and verify all pockets are correctly indexed and detected by the control.

If using coded tools or RFID identification, test the tool identification system separately to ensure chips are readable and properly associated with tool numbers in the system.