HP Power Proter Software, Rack and Power Manager Software manual Boosts the voltage up to

Troubleshooting

Table 6-1: Troubleshooting continued

Symptom	Possible Cause	Suggested Action
On battery	The UPS system is	The UPS will continue to run on
	operating on battery	battery power until the battery is
	power.	completely discharged (or until
		utility power is restored), unless the
		shutdown parameters specify to
		turn off both the system and the
		UPS.

On buck	The input voltage is too
	high for the UPS. The
	UPS bucks the voltage
	down to acceptable limits.

Refer to the UPS documentation for information on buck.

On boost	The input voltage is too
	low for the UPS. The UPS
	boosts the voltage up to
	acceptable limits.

Refer to the UPS documentation for information on boost.

Overload	The device load has
	exceeded the UPS power
	rating.

Verify all equipment is drawing within the rated requirements. If necessary, reduce the equipment connected to the UPS. The UPS might need to be reset.

The UPS is in Bypass mode.	The load is being powered	Refer to the UPS front panel for
	by utility power. However,	alarm indications. If the UPS does
	utility power continues to	not return to normal operation
	be passively filtered by	soon, refer to the UPS
	the UPS. Battery	documentation for troubleshooting
	protection is not available	information.
	while in Bypass mode.
The diagnostic test is	The diagnostic test of the	View the results of the diagnostic
complete.	UPS has completed.	test on the Logs and Reports
		screen.
No power	A power failure occurred.	Verify that the UPS is connected to
		a working outlet and that the UPS
		is powered up.
Unable to contact devices	HP Rack and Power	Start the HP Rack and Power
	Manager is not running.	Manager service on the
		Management Server.
Options are disabled.	Some operations require	Verify the SNMP Control
	SNMP SET rights.	community string.
Alerts are not received.	The values entered on the	Enter the correct information. Refer
	Notification Recipients	to “Notification Recipients Screen”
	tabs are incorrect.	in Chapter 4 of this guide.
Not all devices are listed in the	A query is in effect.	Turn off the query. Refer to
left frame of the Devices		“Queries Screen” in Chapter 5 of
menu.		this guide.

6-4 HP Rack and Power Manager User Guide