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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 840D 104007 - Error on creating tool
Alarm 104007 occurs when the SINUMERIK control cannot create a new tool entry in the tool management system. This typically results from duplicate tool numbers, insufficient memory in the tool database, or corrupted tool management data structures that prevent new tool allocation.
Siemens 840D 104007 - Error on creating tool
Error on creating tool
Siemens SINUMERIK message 104007: Error on creating tool. This is an operator information message from the SINUMERIK control. Note the complete message text as it may contain important parameter values.
Root Cause Summary
Alarm 104007 occurs when the SINUMERIK control cannot create a new tool entry in the tool management system. This typically results from duplicate tool numbers, insufficient memory in the tool database, or corrupted tool management data structures that prevent new tool allocation.
Safety
Causes and Fixes
Access tool management via HMI: Press 'Offset' then 'Tool List' to display all existing tools.
Search for the tool number that triggered the alarm. Verify if it already exists in the tool table or is assigned to a magazine location.
Either delete the existing duplicate tool entry (if obsolete) or use a different tool number for the new tool creation.
Deleting active tools may affect running programs. Verify tool is not referenced in active NC programs before deletion.
Retry tool creation with confirmed unique tool number. Reset alarm with 'NC Start' or 'Alarm Cancel' button.
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