6510 Too many part programs in the NC memory
Definitions: The maximum number of possible files in the NC file system (part of the NC memory) has been reached. Note: During
first commissioning, this can affect files from the NC file system, e.g. drive data, MMC files, FIFO files, NC programs, ...
Reaction: Alarm display.
Remedy: Please inform the authorized personnel/service department.
- Delete or unload files (e.g. part programs), or
- Increase MD18320 $MN_MM_NUM_FILES_IN_FILESYSTEM.
Program
Continuation:
Clear alarm with the Delete key or NC START.

To jest w manualu. Wychodzi na to, że nie tylko pliki programów się liczą, ale również systemowe.