Sinumerik Alarm 6451 Channel %1 tool change not possible. No buffer magazine defined.
%1 = Channel ID
The desired tool change is not possible. No buffer magazine defined.
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.
Check whether the magazine data have been defined correctly.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens