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 “Illustrated Parts Breakdown” on page 20 and “Customer-Replaceable
Units” on page 21.
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.
Caution - These procedures require that you handle components that are sensitive to
electrostatic discharge. This sensitivity can cause the components to fail. To avoid
damage, ensure that you follow antistatic practices as described in “Electrostatic Discharge
Safety” on page 52.
Caution - Ensure that all power is removed from the server before removing or installing
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
1.
Prepare the server for service.
Servicing the Battery (CRU) 141
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