6.2 Maintenance Information
6.2.3Maintenance levels
If a disk drive is faulty, replace the whole disk drive since repair requires special tools and environment. This section explains the two maintenance levels.
(1)Field maintenance (disk drive replacement)
•This replacement is done at the user's site.
•Replacement uses standard tools.
•Replacement is usually done by the user, retail dealer, distributor, or OEM engineer.
(2)Factory maintenance (parts replacement)
•This replacement can only be done by Fujitsu.
•Replacement includes maintenance training and OEM engineer support. OEM engineers usually support retail dealers and distributors.
•Replacement uses factory tools and test equipment.
6.2.4Revision numbers
The revision number of the disk drive is represented with a letter and a number indicated on the label attached on the HDDs. Figure 6.1 shows an example of the label.
