What causes Siemens SINUMERIK alarm 100151?

Normal control operation generated this status message. User action or program command triggered this notification. System configuration or commissioning activity produced this message. Machine data or parameter change created this notification.

How do I fix Siemens SINUMERIK alarm 100151?

1. Read the complete message text on the SINUMERIK screen — note any parameter values shown. 2. If action is required, follow the instructions in the message. 3. Acknowledge the message on the operator panel to continue operation. 4. Consult the Siemens SINUMERIK alarm documentation for message 100151 if clarification is needed. 5. If this message appears unexpectedly, review recent parameter or configuration changes.

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Siemens SINUMERIK Controller

Program/G-code · Intermediate · 30-120 minutes

Alarm 100151

Siemens 840D 100151 - Please wait, copying file

SIEMENS alarm 100151 is an informational message indicating a file copy operation is in progress on the SINUMERIK system. This typically occurs during NC program transfers, backup operations, or system file updates between the HMI and NCK.

Siemens SINUMERIKProgram/G-codeIntermediate30-120 minutes

100151

Siemens 840D 100151 - Please wait, copying file

Please wait, copying file

Root Cause Summary

SIEMENS alarm 100151 is an informational message indicating a file copy operation is in progress on the SINUMERIK system. This typically occurs during NC program transfers, backup operations, or system file updates between the HMI and NCK.

Safety

Refer to Siemens documentation
Ensure qualified technician performs repairs

Causes and Fixes

1
Monitor Transfer Progress
Wait for the file transfer to complete. Check the program manager in the HMI to see transfer status.
Large programs over 1MB may take several minutes to transfer depending on network speed
2
Verify Program Integrity
After transfer completes, open the program in the editor to verify all content transferred correctly without corruption.
Do not power cycle the system during active file transfers
3
Check NCK Memory Usage
Navigate to Diagnostics > Service > Memory to verify sufficient NCK memory remains after program transfer.

DIY Feasiblehigh confidence

Call a technician if:

·File transfer fails repeatedly
·System becomes unresponsive during copy operations
·Corruption detected in transferred files

Prevention

Ensure stable power supply during file operations
Maintain adequate free space on all storage devices
Use reliable network connections for remote transfers
Regularly backup system before major file operations

Common Mistakes

Interrupting file transfers by powering off
Removing storage media during active operations
Initiating multiple simultaneous file transfers
Ignoring low memory warnings before large transfers

Related Alarms

100150 100152 61000 61001

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