Sinumerik Alarm 27093 Checksum error NCK-SPL, %1, %2, %3
%1 = Extension indicating the type of error
%2 = Extension indicating the reference variable
%3 = Extension indicating the actual variable
A checksum error has occurred in the NCK SPL. The file /_N_CST_DIR/_N_SAFE_SPF was subsequently modified. The safe programmable logic (SPL) in the NCK may be corrupted. Parameter %1 indicates the type of modification:
• %1 = FILE_LENGTH: the file length has changed.
• %1 = FILE_CONTENT: the file contents have changed.
• %2 specifies the reference variable (file length, checksum of file contents), %3 specifies the actual variable which is calculated cyclically.
– Alarm display.
Check the file and the time of the last modification to the file. Reload the original file and start the monitoring system again with a Power On.
Switch control OFF – ON.
- Siemens Diagnostics Guide by Siemens