Be sure that the power cord is plugged in to a utility power receptacle.
1.
Check the power source at the utility power receptacle.
2.
Low battery shutdowns
Ungraceful shutdown of attached servers occurs when the UPS is in a low battery condition.
Action:
Verify that the power management software is not delaying the shutdown of attached servers when
1.
the UPS is in a low battery condition.
Allow the UPS batteries to charge for 24 hours.
2.
If the Battery Fault LED is red, replace the batteries
3.
36).
UPS does not provide the expected backup time
Action:
If the Overload LED
1.
devices to reduce the power requirements.
Power down the UPS
2.
Allow the UPS batteries to charge for 24 hours.
3.
Initiate a self-test
4.
During extended power outages, save your work, power down the load devices, and then power
5.
down the UPS
UPS frequently switches between utility and battery
power
Action:
Check the input voltage and reconfigure the UPS
1.
Contact a qualified electrician to verify that the utility power is suitable for the UPS.
2.
ERM cannot be configured from the UPS front panel
Action:
See the HP website (http://www.hp.com/go/rackandpower) to update the UPS firmware.
("UPS front panel
controls" on page 7) is illuminated, remove one or more load
("Powering down the
("Initiating a
self-test" on page 30).
("Powering down the
UPS" on page 31) to conserve battery power.
("UPS battery replacement
UPS" on page 31).
("Configuring the
UPS" on page 28).
procedure" on page
Troubleshooting 45