HP DL360 Reference And Troubleshooting Manual page 107

6. Be sure each circuit breaker is in the On position, or replace the fuse if
needed. If this occurs repeatedly, contact an authorized service provider.
7. Check the UPS LEDs to be sure a battery or site wiring problem has not
occurred. Refer to the UPS documentation.
8. If the UPS sleep mode initiated, disable sleep mode for proper operation. The
UPS sleep mode can be turned off through the configuration mode on the
front panel.
9. Change the battery to be sure damage was not caused by excessive heat,
particularly if a recent air conditioning outage has occurred.
Low battery warning is displayed
Action:
1. Plug the UPS into an AC grounded outlet for at least 24 hours to charge the
batteries, and then test the batteries. Replace the batteries if necessary.
2. Be sure the alarm is set appropriately by changing the amount of time given
before a low battery 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
List of Problems:
Loose Connections .....................................................................................................................108
Problems with New Hardware....................................................................................................108
Unknown Problem......................................................................................................................110
Third-Party Device Problems
Testing the Device ......................................................................................................................111
NOTE: The optimal operating temperature for UPS batteries is 25°C
(77°F). For approximately 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.
.....................................................................................................110
Troubleshooting 107