HP Tower Uninterruptible Power System - Manual (Page 4)

Attaching the ERM front bezel ........................................................................................................... 35
Attaching the tower conversion stands ................................................................................................ 35
Continuing the installation ................................................................................................................. 37
UPS operations ........................................................................................................................... 38
Modes of operation .................................................................................................................................... 38
Standby mode ................................................................................................................................. 38
Operate mode ................................................................................................................................. 38
Configure mode ............................................................................................................................... 39
Battery mode ................................................................................................................................... 39
Auto-Bypass mode ............................................................................................................................ 39
Operating the UPS front panel controls ......................................................................................................... 39
Configuring the UPS ................................................................................................................................... 40
Initiating a self-test ...................................................................................................................................... 41
Silencing an audible alarm ......................................................................................................................... 42
Verifying the REPO port connection .............................................................................................................. 42
Powering down the UPS .............................................................................................................................. 42
Maintenance .............................................................................................................................. 43
Removing the UPS front bezel ...................................................................................................................... 43
Removing the ERM front bezel ..................................................................................................................... 43
Replacing the UPS option card .................................................................................................................... 43
Replacing the batteries ............................................................................................................................... 44
Important battery safety information ................................................................................................... 44
Battery care and storage guidelines ................................................................................................... 45
Determining when to replace batteries ................................................................................................ 45
Obtaining new batteries ................................................................................................................... 45
UPS battery replacement procedure ................................................................................................... 46
Testing the new battery module .......................................................................................................... 47
Replacing the UPS ...................................................................................................................................... 47
Replacing the ERM ..................................................................................................................................... 48
Updating the UPS firmware ......................................................................................................................... 48
Configuring a USB to serial converter ................................................................................................. 48
Reassigning the USB COM ports........................................................................................................ 49
Power management .................................................................................................................... 51
Power management software ....................................................................................................................... 51
Troubleshooting .......................................................................................................................... 52
LED troubleshooting .................................................................................................................................... 52
UPS is in Auto-Bypass mode ........................................................................................................................ 53
UPS is in Converter Off mode ...................................................................................................................... 54
General alarm condition ............................................................................................................................. 54
Bypass is out of range ................................................................................................................................ 55
Battery condition ........................................................................................................................................ 55
UPS is on battery ........................................................................................................................................ 55
Input voltage is out of range ........................................................................................................................ 56
Overtemperature condition .......................................................................................................................... 56
Internal UPS fault condition ......................................................................................................................... 56
REPO condition .......................................................................................................................................... 56
Site wiring condition ................................................................................................................................... 56
Overload condition .................................................................................................................................... 57
Checksum failure error ................................................................................................................................ 57
UPS does not start ...................................................................................................................................... 57
Low battery shutdowns ................................................................................................................................ 57