Sinumerik Alarm 15340 Channel %1 block %2 invalid label as search target
%1 = Channel number
%2 = Block number, label
Syntax error! A label must have at least 2 but no more than 32 characters, and the first two characters must be alphabetic or underscore characters. Labels must be concluded with a colon.
– Alarm display.
Repeat the input with corrected label.
Clear alarm with the Delete key or NC START.
- Siemens Diagnostics Guide by Siemens