HP r12000 xr User Manual

The UPS has five modes of operation, indicated by the LEDs (see Figure 2-3):  

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—  When utility is present and output is off, the Utility LED (1) flashes slowly. 

—  Power is not available at the UPS output. 

—  The UPS monitors and charges batteries, if required. 

—  The Utility LED (1) is solid green. 

—  The UPS is supplying power to the loads. 

—  The UPS monitors and charges batteries, if required. 

—  The Utility LED (1) and Battery LED (2) are off. 

—  The Bypass LED (3) is solid amber, and an audible alarm is active. 

—  The Alarm LED (4) is solid red. 

—  The utility is bypassing the unit and going directly to the load. 

—  The UPS monitors and charges batteries, if required. 

—  The Battery LED (2) is solid amber. 

—  The Alarm LED (4) is solid red. 

—  Utility power is not present. 

—  The UPS does not charge the batteries. 

—  Power is available at UPS outputs. 

—  The Redundant LED (5) is solid green. 

—  At least one electronics module of the load can be in a redundant state (two or more 

electronics modules working). 

—  All electronics modules share the load, but there is enough power to allow an 

electronics module to go out of service.