Sinumerik Alarm 20146 Channel %1 block %2 motion synchronous action: nesting depth exceeded
%1 = Channel number
%2 = Block number
For calculating arithmetic expressions in motion synchronous blocks, an operand stack with a fixed set size is used. With very complex expressions, this stack can overflow.
– NC Start disable in this channel.
– NC Stop on alarm.
– Alarm display.
– Interface signals are set.
Correct error in expression.
Clear alarm with the RESET key. Restart part program
- Siemens Diagnostics Guide by Siemens