Okuma Alarm B-2597 – G15 Command Issued Outside Transportation Mode

Okuma Alarm B-2597 indicates that the G15 command has been executed while the machine is not in the required transportation mode. This leads to a conflict in the system state and prevents proper execution.

Meaning of the Alarm

This alarm occurs when the control system detects that the G15 command is issued under conditions where transportation mode is not active. The machine blocks the command to avoid incorrect operation.

Possible Causes

  • G15 command used outside transportation mode

  • Incorrect machine state during program execution

  • Improper CNC program sequence

  • Missing or incorrect mode activation

  • Control system state mismatch

Recommended Checks

  • Verify that the machine is in transportation mode before using G15

  • Review CNC program sequence and command order

  • Check machine state and active modes

  • Ensure correct initialization before executing commands

  • Test program execution step-by-step

When Professional Service Is Required

If the alarm continues after correcting the program and machine state, the issue may be related to control system behavior or internal configuration errors. In such cases, professional diagnostics are recommended.

Related Solutions

  • CNC diagnostics and troubleshooting

  • Program sequence correction

  • Control system configuration check

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