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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 840D 100860 - Max. 8 characters allowed for the name !
Alarm 100860 occurs when a name identifier in the NC program or system configuration exceeds the 8-character limit imposed by the Siemens 840D controller. This typically happens during program creation, tool name definition, or when defining user variables, frames, or R-parameters with names that are too long.
100860
Siemens 840D 100860 - Max. 8 characters allowed for the name !
Max. 8 characters allowed for the name !
Siemens SINUMERIK operator message 100860: Max. 8 characters allowed for the name!. This is an informational message from the SINUMERIK control indicating a system status or operation result that may require operator action.
Root Cause Summary
Alarm 100860 occurs when a name identifier in the NC program or system configuration exceeds the 8-character limit imposed by the Siemens 840D controller. This typically happens during program creation, tool name definition, or when defining user variables, frames, or R-parameters with names that are too long.
Safety
- Refer to Siemens documentation
- Ensure qualified technician performs repairs
Causes and Fixes
- 1
Open the NC program in the editor and locate the line number where the alarm was triggered (check alarm detail for line reference).
- 2
Search for variable names (DEF statements), labels, or identifiers that exceed 8 characters in length.
- 3
Rename the offending identifier to 8 characters or fewer, using abbreviations or numeric suffixes where necessary.
Ensure the shortened name remains unique and does not conflict with existing identifiers in the program.
- 4
Reset the alarm (NC Start + Delete key or ALARM CANCEL), reload the program, and perform a program test run.
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