When “ Err 20(Err 01(Main Motor err!)) ” appears on OP Screen.
Cause : This error is caused when there is no program to update the system in the Floppy Disk. Type : SPS/A(B)-1306, SPS/A(B)-1811, SPS/A(B)-2516, SPS/A(B)-5030
Solution : : Try again after checking whether there is update program in the Floppy Disk.
