Servicing The Battery (Cru); Remove The Battery - Oracle X8-2L 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.
These procedures require that you handle components that are sensitive to
Caution -
electrostatic discharge. This sensitivity can cause the components to fail. To avoid
damage, ensure that you follow antistatic practices as described in
Safety" on page
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 141
■
"Install the Battery" on page 143
■
Related Information
"Extend the Server to the Maintenance Position" on page 62
■
"Remove the Server Top Cover" on page 65
■

Remove the Battery

Prepare the server for service.
1.
"Illustrated Parts Breakdown" on page 20
21.
52.
and "Customer-Replaceable
"Electrostatic Discharge
Servicing the Battery (CRU) 141