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Access machine data and check MD18300 $MN_MM_NUM_MAGAZINE to verify the number of configured magazines matches your machine hardware.

Review MD18310 $MN_MM_TYPE_OF_MAGAZINE[n] for each magazine index to ensure all physical magazines are defined with correct type codes.

Check the NC program or tool call to identify which magazine number is being referenced and verify it matches a configured magazine (typically 1-4).

If magazine definition is missing, add the correct magazine configuration in machine data, perform a full system reboot (power cycle), and reinitialize the magazine.

Changing machine data requires appropriate access level and may require backup. Incorrect magazine configuration can cause mechanical collisions.

Check the PLC diagnostics and alarm history for magazine reference point errors or timeout alarms that occurred during machine startup.

Verify magazine reference switches and proximity sensors are functioning correctly using PLC input diagnostics (check I/O status for magazine home position signals).

Execute a manual magazine reference cycle from the service or startup menu to reinitialize the magazine system.

Ensure the magazine area is clear of obstructions and personnel before initiating reference cycle.

If reference fails, check magazine motor drives, feedback cables, and mechanical movement for binding or obstruction. Resolve hardware issues before retry.

Magazine mechanical issues can cause damage if forced. Inspect manually before powering drives.

Access tool management and review the tool list for any tools assigned to invalid or undefined magazine locations (magazine number 0 or greater than configured maximum).

Check for NC program commands that directly reference magazine numbers (e.g., in custom cycles) and verify syntax and values are correct.

Create a backup, then clear and reload the tool management data from a known good backup or re-enter tool data manually with correct magazine assignments.

Clearing tool data will remove all current tool offset and location information. Ensure you have a valid backup before proceeding.

Perform a system data integrity check using Siemens commissioning tools and verify no SRAM battery issues or file system corruption exists.