Sinumerik Alarm 10881 Channel %1 block %2 overflow of local block buffer when inserting chamfers or radii
%1 = Channel number
%2 = Block number, label
Between 2 blocks containing the contour elements and to be joined with a chamfer or a radius (CHF, RND), so many dummy blocks have been programmed without contour information that the internal buffer is too small.
– Local alarm reaction.
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.
Modify part program such that the number of dummy blocks is reduced.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens