Siemens SINUMERIK ONE NCU 1740 Equipment Manual page 94

Diagnostics
9.1 Error messages
7-segment display Meaning
SD Error <n> <n> = single-digit code:
•
•
•
•
•
A write or read error has occurred on
the SD card.
SIGErr=<nn> <nn> = double-digit code:
SIGErr=08: signature file error
No SIEMENS signature was found for
a software component.
SIGErr=09: Device certificate period
of validity error
The system time has not been cor‐
rectly set.
SIGErr=11: signature file invalid
Software was installed with an unas‐
sociated signature file.
All others SIGErr
unPAC FAIL A problem has occurred when read‐
ing, unzipping or writing the data.
The archive with the CNC software is
possibly corrupt or unreadable.
6 point not flashing: Operating system
has crashed where the NCK is no lon‐
ger clocking
Please contact SIEMENS Technical Support (Page 10) if it was not possible to resolve the error.
94
SD Error 1: System card reader is
not present in HW info
SD Error 2: Card reader not re‐
sponding; HW problem
SD Error 3: SD card missing, or
does not contain an ext4 partition
SD Error 4: fsck (file system check)
failed with incorrigible errors
SD Error 5: File system linking
failed
Troubleshooting
• Check whether the mechanical write protection (lock) of
the SD card has been activated.
• It is possible that the SD card is defective and must be
replaced.
• Check the SD card using the "Check storage integrity" di‐
agnostics option.
Check whether the original CNC software package is installed
and has not been modified.
• Install the original CNC software package.
Occurs the first time the device is turned on if the system time
has not yet been set.
Check the settings if the error is permanent.
Check whether the original CNC software package is installed
and has not been modified.
• Install the original CNC software package.
The hardware is possibly defective.
• Contact SIEMENS Technical Support.
Boot the NCU using the SINUMERIK service system, and check
the partition using the "Check storage integrity" diagnostics
option.
• Contact SIEMENS Technical Support if the diagnostics
check is unsuccessful.
Reinstall the CNC software if the SD card is OK.
Restart the NCU.
Equipment Manual, 09/2022, A5E51087503B AC
NCU 1740