Servicing The Battery (Cru); Remove The Battery - Oracle X7-2L Service Manual

Servicing the Battery (CRU)

This section describes how to service the system battery. The system battery is a customer-
replaceable unit (CRU) that requires you to power off the server. For more information
about CRUs, see
Units" on page
The real-time clock (RTC) battery maintains system time when the server is powered off and
a time server is unavailable. If the server fails to maintain the proper time when the system is
powered off and not connected to a network, replace the battery.
Ensure that all power is removed from the server before removing or installing
Caution -
the battery. You must disconnect the power cables from the system before performing this
procedure.
This section covers the following procedures:
"Remove the Battery" on page 139
■
"Install the Battery" on page 141
■
Related Information
"Extend the Server to the Maintenance Position" on page 60
■
"Remove the Server Top Cover" on page 63
■

Remove the Battery

Prepare the server for service.
1.
a. Power off the server and disconnect the power cords from the server power
supplies.
See "Powering Down the Server" on page
b. Extend the server into the maintenance position.
"Illustrated Parts Breakdown" on page 20
21.
and "Customer-Replaceable
53.
Servicing the Battery (CRU) 139