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
- Siemens Diagnostics Guide by Siemens