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Code 6100: Error while creating %1, error number %2 %3

Issue Description & Safety Warning

The Siemens SINUMERIK 840D CNC has triggered a critical Error while creating %1, error number %2 %3 alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.

Official Troubleshooting Steps

Parameters: %1 = Symbolname %2 = Error code %3 = If required, internal error identifier Definitions: An error was detected while creating a compile cycle machine data. The error number specifies the type of error. - Error number 1: Insufficient memory available - Error number 2: Symbol in the NCK already exists - Error number 3: Maximum possible number of symbols exceeded - Error number 4: Invalid name prefix - Error number 5: Illegal array size Note: Other errors of this type could have occurred, but have not been displayed. Reaction: NC not ready. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm. Remedy: - Error number 1: The memory reserved by MD18238 $MN_MM_CC_MD_MEM_SIZE has to be increased. If the error occurs while loading an archive, then the machine data must be increased "manually". To do this, either Edit the archive with 'arcedit' or Overwrite the MD in the MD picture and prevent the deletion of the machine data when writing the archive (MMC: Set Ask_for_CFG_RESET.INI = 1 in 'dino.ini'). Also refer to: Upgrade instructions P6.x. - Error number 2: Error in the combination or while reloading compile cycles: Do not activate compile cycle. - Error number 3: Error in the combination or while reloading compile cycles: Do not activate compile cycle. - Error number 4: Error in the compile cycle: Do not activate compile cycle. - Error number 5: Error in the compile cycle: Do not activate compile cycle. Program Continuation: Switch control OFF - ON.

Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)

Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.

About Siemens SINUMERIK 840D CNC Alarms

Siemens controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 6100 on the SINUMERIK 840D CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Siemens's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.

Complete Alarm List: 4014 Siemens SINUMERIK 840D CNC codes.

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