Write access to system variable %1 only allowed from NCK-SPL
%1 = Name of safety system variable concerned
Write access to a safety system variable is only allowed from the part program / _N_CST_DIR/_N_SAFE_SPF. If this error occurs, an instruction from another part program was detected.
- Alarm display.
Check the part programs you are using for write accesses to safety system variables. Clear alarm with the RESET key. Restart part program
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