Sinumerik Alarm 27092 Communication broken off during NCK PLC data cross check, error detected by %1
%1 = Extension indicating the monitoring channel that detected the error
The delay time (10s) for communication monitoring was exceeded in the monitoring channel specified in %1 (NCK or PLC). The other monitoring channel did not send a new data packet within this time.
– Alarm display.
Do not start the SPL again. Check the system components (the PLC must have the correct version of FB15 and DB18).
Switch control OFF – ON.
- Siemens Diagnostics Guide by Siemens