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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 840D 104230 - NOTICE!: Loaded tool cannot be deleted !
Alarm 104230 occurs when attempting to delete a tool from the tool management system while that tool is currently loaded in the spindle or on a tool carrier. The SINUMERIK control prevents deletion of active tools to maintain system integrity and prevent undefined tool states during machining operations.
104230
Siemens 840D 104230 - NOTICE!: Loaded tool cannot be deleted !
NOTICE!: Loaded tool cannot be deleted !
Siemens SINUMERIK alarm 104230: NOTICE!: Loaded tool cannot be deleted!. This alarm indicates an error condition in the NC program or control configuration that must be resolved before the operation can continue.
Root Cause Summary
Alarm 104230 occurs when attempting to delete a tool from the tool management system while that tool is currently loaded in the spindle or on a tool carrier. The SINUMERIK control prevents deletion of active tools to maintain system integrity and prevent undefined tool states during machining operations.
Safety
- Refer to Siemens documentation
- Ensure qualified technician performs repairs
Causes and Fixes
- 1
Check the current spindle status display on the HMI to verify which tool number is currently loaded (T-number shown in active tool display).
- 2
Execute a tool change command (T0 M6 or equivalent) to unload the current tool and return it to the magazine or move to tool neutral position.
Ensure the spindle is stopped and in a safe position before executing tool change
- 3
Verify the spindle shows T0 or empty tool status on the HMI tool display.
- 4
Reattempt the tool deletion command from the tool management screen or via program command.
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Always verify with your machine manual or a certified technician before performing service procedures.