Okuma Alarm-P 0956 Backup data file read
NC backup data file cannot be read from the memory.
1-> The backup data file does not exist in the memory, or a wrong name is designated.
2-> File type is not “PBU1”
3-> DB size for the file is tool large.
4-> DB size for the file is tool small.
Probable Faulty Locations
1)If the NC was normally running before occurrence of this alarm, the NC data file must have been deleted or destroyed.
2)If the NC had never run after installation of the control software until occurrence of this alarm, the NC data file must be
wrong in type or the control software did not include the file.
The operator has deleted the NC backup data file by mistake.
Measures to Take
In the case of 1) reinstall the control software.
In the case of 2) check the control floppy (for file name, etc.) and remake the floppy