Okuma Alarm-P 0810 NC I/O data file read
The NC failed to read I/O data file.
Code
I/O data file load status (in hexadecimal)
2->File open error (no file)
3->File read error (no data)
4->File attribute error (not “PBU1”)
5->File close error
6->File size error (too small)
7->File size error (too large)
100->Wrong PLC machine type
200->Wrong PLC class
300->Wrong file version