HP Accessory 651176-002 manual 4

Attaching the tower conversion stands..............................................................................................	35
Continuing the ERM installation .......................................................................................................	37
Installing the extension bars (if included) ....................................................................................................	38
Connecting and securing the power cords ..................................................................................................	39
UPS operations...........................................................................................................................	40
Modes of operation .................................................................................................................................	40
Standby mode ..............................................................................................................................	40
Operate mode ..............................................................................................................................	40
Configure mode ............................................................................................................................	41
Battery mode ................................................................................................................................	41
Auto-Bypass mode .........................................................................................................................	41
Operating the UPS front panel controls ......................................................................................................	41
Configuring the UPS ................................................................................................................................	42
Initiating a self-test ...................................................................................................................................	43
Silencing an audible alarm.......................................................................................................................	44
Verifying the REPO port connection ...........................................................................................................	44
Powering down the UPS...........................................................................................................................	44
Maintenance ..............................................................................................................................	45
Removing the UPS front bezel ...................................................................................................................	45
Removing the ERM front bezel...................................................................................................................	45
Replacing the batteries.............................................................................................................................	45
Important battery safety information .................................................................................................	46
Battery care and storage guidelines .................................................................................................	46
Determining when to replace batteries..............................................................................................	46
Obtaining new batteries.................................................................................................................	47
UPS battery replacement procedure .................................................................................................	47
Testing the new battery module .......................................................................................................	48
Replacing the UPS ...................................................................................................................................	49
Replacing the ERM ..................................................................................................................................	49
Replacing the UPS option card..................................................................................................................	49
Updating the UPS firmware ......................................................................................................................	50
Configuring a USB to serial converter...............................................................................................	50
Reassigning the USB COM ports .....................................................................................................	51
Power management ....................................................................................................................	53
Power Protector software ..........................................................................................................................	53
Troubleshooting ..........................................................................................................................	55
LED troubleshooting .................................................................................................................................	55
UPS is in Auto-Bypass mode......................................................................................................................	56
UPS is in Converter Off mode ...................................................................................................................	57
General alarm condition ..........................................................................................................................	57
Bypass is out of range..............................................................................................................................	58
Battery condition .....................................................................................................................................	58
UPS is on battery.....................................................................................................................................	58
Input voltage is out of range .....................................................................................................................	58
Overtemperature condition .......................................................................................................................	59
Internal UPS fault condition.......................................................................................................................	59
REPO condition.......................................................................................................................................	59
Site wiring condition................................................................................................................................	59
Overload condition .................................................................................................................................	59
Checksum failure error .............................................................................................................................	60
UPS does not start ...................................................................................................................................	60
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