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Diagnostics
9.1
Error messages
These error messages are shown on the 7-segment display (Page 38) as continuously running
text ("ticker").
Note
When submitting a query to SIEMENS Technical Support: In addition to the message shown on
the 7-segment display, additional information regarding the status LEDs and the operating state
(continuous operation, switch-on phase, restart, etc) can provide important information on
resolving your problem.
7-segment display
Meaning
C
"Crash" or kernel panic: The Linux system no longer
responds
Copy FAIL
Firmware installation failed.
F
"Failure"
F.
The point is continuously lit and no longer flashes:
NCK crash
Lxx=yyy
Internal error when starting NCK, "xx" is the line
number in the mcsystem.ini, "yyy" is a unique error
code for the code position.
Merr
"System Restore Error": A system restore point instal‐
lation failed.
NO ARC
The CNC software package is missing or cannot be
found on the SD Card.
NO SD
The operating system cannot detect an SD Card.
NO SSD
The internal storage medium was not detected.
PART FAIL
Error when repartitioning
NCU 1760
Equipment Manual, 09/2022, A5E45627861B AF
Troubleshooting
1. Restart the NCU.
2. Execute the "DIDAC" diagnostics option.
This function saves all the diagnostic data
to a ZIP file.
3. Contact SIEMENS Technical Support and
transfer the zipped diagnostics data.
•
Check the log file under "/var/log/initn‐
cu.log".
•
Contact SIEMENS Technical Support.
Boot the NCU using the SINUMERIK service sys‐
tem, and check the partition using the "Check
storage integrity" diagnostics option.
•
Replace the SD Card if it is shown to be de‐
fective.
•
Contact SIEMENS Technical Support if the
SD Card is not defective.
•
Insert the SD Card.
•
Check that the SD Card is correctly inserted.
•
Check whether the SD Card is defective.
Contact SIEMENS Technical Support.
Boot the NCU using the SINUMERIK service sys‐
tem, and check the partition using the "Check
storage integrity" diagnostics option.
9
93
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