General Hardware Problems - HP ProLiant DL120 User Manual

UPS problems
UPS is not working properly
Action:
Be sure the UPS batteries are charged to the proper level for operation. See the UPS documentation for
1.
details.
Be sure the UPS power switch is in the On position. See the UPS documentation for the location of the
2.
switch.
Be sure the UPS software is updated to the latest version. Use the Power Management software located
3.
on the Power Management CD.
Be sure the power cord is the correct type for the UPS and the country in which the server is located. See
4.
the UPS reference guide for specifications.
Be sure the line cord is connected.
5.
Be sure each circuit breaker is in the On position, or replace the fuse if needed. If this occurs repeatedly,
6.
contact an authorized service provider.
Check the UPS LEDs to be sure a battery or site wiring problem has not occurred. See the UPS
7.
documentation.
If the UPS sleep mode is initiated, disable sleep mode for proper operation. The UPS sleep mode can
8.
be turned off through the configuration mode on the front panel.
Change the battery to be sure damage was not caused by excessive heat, particularly if a recent air
9.
conditioning outage has occurred.
NOTE:
every 8°C to 10°C (16°F to 18°F) average increase in ambient temperature above the optimal
temperature, battery life is reduced by 50 percent.
Low battery warning is displayed
Action:
Plug the UPS into an AC grounded outlet for at least 24 hours to charge the batteries, and then test the
1.
batteries. Replace the batteries if necessary.
Be sure the alarm is set appropriately by changing the amount of time given before a low battery
2.
warning. Refer to the UPS documentation for instructions.
One or more LEDs on the UPS is red
Action: Refer to the UPS documentation for instructions regarding the specific LED to determine the cause of
the error.

General hardware problems

Problems with new hardware (on page 69)
Unknown problem (on page 69)
Third-party device problems (on page 70)
Testing the device (on page 70)
The optimal operating temperature for UPS batteries is 25°C (77°F). For approximately
Troubleshooting 68