Contents  5 
Replacing the batteries ............................................................................................................................. 87 
Important battery safety information ................................................................................................. 87 
Battery care and storage guidelines ................................................................................................. 87 
UPS battery replacement procedure ................................................................................................. 88 
Testing the new battery module ....................................................................................................... 89 
Replacing the UPS ................................................................................................................................... 89 
Replacing the ERM .................................................................................................................................. 90 
Updating the UPS firmware ...................................................................................................................... 91 
Verifying the HP UPS Management Module firmware version .............................................................. 91 
Configuring a USB to serial converter ............................................................................................... 91 
Reassigning the USB COM ports ..................................................................................................... 92 
Troubleshooting .......................................................................................................................... 94 
LED and audible alarm troubleshooting ...................................................................................................... 94 
Silencing an audible alarm ............................................................................................................. 95 
Abnormal output voltage at startup ............................................................................................................ 95 
Battery breaker ....................................................................................................................................... 95 
Battery connection condition ..................................................................................................................... 96 
Battery low condition ............................................................................................................................... 96 
Battery test condition ................................................................................................................................ 96 
Bypass is unavailable .............................................................................................................................. 96 
Check Parallel Board condition ................................................................................................................. 97 
Configuration error and UPS does not start ................................................................................................. 97 
Phase rotation verification ........................................................................................................................ 97 
Power is not available at the UPS output receptacle ..................................................................................... 97 
Protected equipment is not on ................................................................................................................... 98 
Overload condition ................................................................................................................................. 98 
Overtemperature condition ....................................................................................................................... 98 
Redundancy loss due to overload .............................................................................................................. 98 
Selective trip ........................................................................................................................................... 99 
Site wiring condition ................................................................................................................................ 99 
UPS detects software incompatibility .......................................................................................................... 99 
UPS does not power down ....................................................................................................................... 99 
UPS does not power up ............................................................................................................................ 99 
UPS does not provide the expected backup time ....................................................................................... 100 
UPS does not transfer to Auto-Bypass mode .............................................................................................. 100 
UPS is on battery ................................................................................................................................... 100 
UPS is on bypass................................................................................................................................... 100 
Specifications ........................................................................................................................... 101 
Model list ............................................................................................................................................. 101 
UPS physical specifications ..................................................................................................................... 101 
ERM physical specifications .................................................................................................................... 101 
Power cord specifications ....................................................................................................................... 101 
Power Bus Bar and Wireway specifications .............................................................................................. 102 
HP 10642 G2 Rack specifications ........................................................................................................... 102 
UPS input specifications ......................................................................................................................... 102 
UPS output specifications ........................................................................................................................ 103 
Environmental specifications ................................................................................................................... 103 
Battery specifications ............................................................................................................................. 104 
Battery runtimes .................................................................................................................................... 104 
REPO port specifications ........................................................................................................................ 105 
Spares ..................................................................................................................................... 106