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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 840D 101151 - Start-up successful
ALARM 101151 is an informational message, not an error condition. It confirms that the NC kernel start-up process has completed successfully after selecting one of three boot options: normal boot, default values boot, or software update initialization.
101151
Siemens 840D 101151 - Start-up successful
Start-up successful
Siemens SINUMERIK operator message 101151: Start-up successful. 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 101151 is an informational message, not an error condition. It confirms that the NC kernel start-up process has completed successfully after selecting one of three boot options: normal boot, default values boot, or software update initialization.
Safety
- Refer to Siemens documentation
- Ensure qualified technician performs repairs
Causes and Fixes
- 1
Acknowledge the alarm using the standard alarm acknowledgment procedure (typically pressing the 'Recall' or 'Clear' key).
- 2
Verify that the HMI displays the standard operating screen and all axes are referenced properly.
- 3
Check the system date and time are correct after boot completion.
- 4
Perform a basic machine functionality test (mode selection, jog operations) to confirm normal operation.
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Always verify with your machine manual or a certified technician before performing service procedures.