Sinumerik Alarm 20210 Channel %1 block %3 spindle %2 wrong values for centerless grinding
%1 = Channel number
%2 = Spindle number
%3 = Block number, label
It was not possible to calculate a tool diameter (no speed specified for the spindle) for centerless grinding because it was not allowed by the input positions. The old S value still applies.
– Alarm display.
• Modify program
• Select new traversing positions for centerless axes
• or suppress computation by G00.
Alarm display showing cause of alarm disappears. No further operator action
- Siemens Diagnostics Guide by Siemens