HP R12000 XR Front Panel LEDs

Operation

Front Panel LEDs

The front panel has five LEDs that indicate the status of the UPS.

1 2 3 4 5

Figure 2-3: Front panel LED display

Item	Description Symbol	Meaning
1	Utility	Solid greenNormal operation
		Rapidly flashing green—Ramp Up mode
		Slowly flashing greenStandby mode (batteries charging)
2	Battery	Solid amberOn Battery
		Flashing amberBattery test in progress
3	Bypass	Solid amberOn Bypass
		Flashing amber—Bypass not available
4	Alarm	Solid redOne or more alarms may be present or active
5	Redundant	Solid greenN+1 mode (one or more redundant electronics
		modules operating in system)

Flashing green—Battery self-test initiated

OffNon-redundant, not N+1 mode

NOTE: The LED lights cycle when no electronics modules are installed and utility is present. In Standby mode, there is no output but the batteries will be charging. The time required to reach Standby mode can range from 45 seconds to several minutes, depending on the state of charge of the batteries.

HP Uninterruptible Power System R12000 XR Models User Guide 2-3