Time: 8/9/2017 11:00:09 AM

When the control power input occurs, then the servo unit circuit board is defective, and the servo unit needs to be replaced. Drive (driver) broadly refers to the drive hardware that drives a device. In the computer field, a drive refers to a disk drive. A storage area formatted by a file system and with a drive letter. Storage areas can be floppy disks, CD, hard disks, or other types of disks. You can see the contents of the drive by clicking the appropriate icon in Windows Explorer or my computer.