Chapter 3 - Operation And Maintenance; Maintenance Service; Preventive Maintenance; Preventive Maintenance Of Bbu - NEC Promise SuperTrak EX8350 User Manual

Chapter 3 - Operation and Maintenance

1. Maintenance Service

Service representatives subordinate to or authorized by us provide services of the BBU with use of genuine
parts and high technical capabilities. You can get the services for your own convenience.
For the services, contact your sales representatives.

2. Preventive Maintenance

2-1. Preventive Maintenance of BBU

Check the states of the BBU (including voltage and temperature) regularly as preventive maintenance. For
the purpose, you can use WebPAM.

2-2. Life of Battery Pack

The battery pack used in the BBU can be used for about two years. Replace the battery pack having been
used for two years or longer with a new one as soon as possible following "3. Battery Pack Replacement
Procedure" in this chapter.
The battery pack is a supply/charged warranty device.
Notice

3. Battery Pack Replacement Procedure

Replace the battery pack in the following procedure:
1.
Exit from all applications and shutdown OS.
2.
Turn off the power of the server and remove all the power cords connected to the power unit from
the receptacles.
3.
Remove the side cover following the User's Guide of the server.
4.
Remove all the cables from the disk array controller and the server.
5.
Remove the screw fixing the BBU and the disk array controller. Then remove the BBU and the disk
array controller from the server.
6.
Remove the battery cable, which connect the BBU with the disk array controller, from the disk array
controller.
7.
On the rear face of the BBU, remove the screws (4) fixing he battery case.