Sinumerik Alarm 10881 Channel %1 block %2 overflow of local block buffer when inserting chamfers or radii

Sinumerik Alarm 10881 Channel %1 block %2 overflow of local block buffer when inserting chamfers or radii

Parameters:
%1 = Channel number
%2 = Block number, label

Definitions:
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.

Reactions:
– Local alarm reaction.
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.

Remedy:
Modify part program such that the number of dummy blocks is reduced.

Program Continuation:
Clear alarm with NC START or RESET key and continue the program.