Sinumerik Alarm 16421 Channel %1 block %2 angle %3 programmed repeatedly in the block
%1 = Channel number
%2 = Block number, label
%3 = Angle
It is not allowed to program more than one PHI or PSI angle for an orientation vector in the same block.
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.
Modify part program.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens