HP ProLiant ML350 Gen9, User Manual

Page: 148 / 171

System battery replacement 148
System battery replacement
If the server no longer automatically displays the correct date and time, then replace the battery that provides
power to the real-time clock. Under normal use, battery life is 5 to 10 years.
WARNING: The computer contains an internal lithium manganese dioxide, a vanadium
pentoxide, or an alkaline battery pack. A risk of fire and burns exists if the battery pack is not
properly handled. To reduce the risk of personal injury:
•
Do not attempt to recharge the battery.
• Do not expose the battery to temperatures higher than 60°C (140°F).
•
Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
•
Replace only with the spare designated for this product.
To remove the component:
1.
Do one of the following:
o
For tower models, open and remove the tower bezel (" Remove the tower bezel " on page 30 ).
o
For rack models, if installed, remove the security bezel (" Remove the security bezel (optional) " on
page 30 ).
2.
Power down the server (on page 29 ).
3.
Remove all power:
a.
Disconnect each power cord from the power source.
b.
Disconnect each power cord from the server.
4.
Do one of the following:
o
For tower models, place the server on a flat, level surface with the access panel facing up.
o
For rack models, extend the server from the rack (on page 33 ).
5.
Remove the access panel (on page 31 ).
6.
Remove the fan cage (on page 36 ).
7.
Locate the battery on the system board (" System board components " on page 13 ).
8.
If the system battery is secured by a metal tab, do the following:
a.
Use your finger or a small flat-bladed, nonconductive tool to press the metal tab. This will partially
release the battery from the socket.