Removing and replacing the PDH battery (system battery)
If the server no longer automatically displays the correct date and time, you might have to replace the
battery that provides power to the real-time clock.
WARNING:
The computer contains an internal lithium manganese dioxide, a vanadium pentoxide, or an alkaline
battery pack. If the battery pack is not properly handled, a risk of fire and burns exists. 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.
Procedure
1.
Power off the server (
2.
Extend the server from the rack (
Extending the server from the rack
3.
Remove the access panel (
4.
WARNING:
Do not attempt to remove the battery by hand. Doing so can cause the battery holder to separate
from the system board.
WARNING:
Do not attempt to remove the battery from the side marked “+” first. If your battery holder does
not have the “+” marking, the side of the holder with springs will be the “+” end.
5.
Using a nonconductive tool small enough to fit into the battery slot as leverage, gently remove the
battery from the holder from the end marked “---“.
NOTE:
Hewlett Packard Enterprise recommends using ESD safe, non-conductive tweezers or a similar
tool.
To replace the component, reverse the removal procedure.
IMPORTANT:
Ensure that the new battery is fully seated and that all locking tabs are correctly engaged.
166
Removing and replacing the PDH battery (system battery)
