Sinumerik Alarm 15021 Channel %1 block %2 CHANDATA instruction with invalid channel number


Sinumerik Alarm 15021 Channel %1 block %2 CHANDATA instruction with invalid channel number

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

Definitions:
A CHANDATA instruction is used to enter data for an illegal channel, e. g. <1,> maximum number of channels, not the active channel.

Reactions:
– Alarm display.
– Interface signals are set.
– Interpreter stop
– NC Start disable in this channel

Remedy:
Program CHANDATA instruction in accordance with the actual configuration.

Program Continuation:
Clear alarm with the RESET key. Restart part program

References

  1. Siemens Diagnostics Guide by Siemens
Sinumerik Alarm 15021 Channel %1 block %2 CHANDATA instruction with invalid channel number