System Battery Replacement - HP hpe proliant dl20 gen9 User Manual

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:
If installed, remove the security bezel (on page 17).
1.
Power down the server (on page 17).
2.
Remove all power:
3.
Disconnect each power cord from the power source.
a.
Disconnect each power cord from the server.
b.
Do one of the following:
4.
Extend the server from the rack (on page 18).
o
Remove the server from the rack (on page 19).
o
Remove the access panel (on page 20).
5.
Locate the battery on the system board
6.
Remove the battery.
7.
IMPORTANT: Replacing the system board battery resets the system ROM to its default
configuration. After replacing the battery, reconfigure the system through RBSU.
To replace the component, reverse the removal procedure.
("System board components" on page 11).
System battery replacement 108