9
Basic Operation
“BYPASS”LED:ThisyellowlightwillflashtoindicatethattheUPS’sDC/AC
inverterisdeactivatedandtheUPSisinthe“Bypass”mode.Duringnormal
operationthisLEDwilllightbrieflywhentheunitispluggedin,butifan
internal fault or overload occurs this light will flash constantly and the fault
LEDwillilluminatetoshowthatconnectedequipmentwillreceivefiltered
ACmainspower,butwillnotreceivebatterypowerduringablackout.In
thiscase,contactTrippLiteforservice.IftheUPShasbeenplacedinto
EconomyMode(availableonselectUPSsystems),itconfiguresanonline
UPStofunctionasaswitchingUPS.WhentheUPSsystemisinEconomy
Mode, it operates at increased efficiency while AC utility power is available
(within+/-10%nominal)andswitchestobatterypowerifACutilitypower
isinterrupted.Theyellow“BYPASS”LEDwillremainonwhentheUPS
system is in Economy Mode. (For more information on how to access the
EconomyMode,pleaserefertothePowerAlertsoftwareUser’sManual)
“FAULT”LED(selectmodelsonly):This red light will flash when your UPS
detectsaninternalfault(overheating,overvoltages,etc.)orwhenitdetects
awiringfaultinyourwalloutlet(reversedphases,missingground,etc.)
The UPS will only detect wiring faults when it is plugged into a utility outlet
butnotturnedON.IfthelightpersistsafterrestartingtheUPS,contactan
electriciantochecktheACline.YourUPSwillidentifythepresenceofmost
(butnotall)wiringfaults.
“LOADACTIVEMETER”LED:This green light will illuminate when your
UPSisreceivingACpowertoindicatethatthesetoffourdual-function
LEDsisdisplayingtheloadlevelofyourUPS.
“BATTACTIVEMETER”LED:This green light will illuminate when your UPS
isoperatingfrombatterypowertoindicatethatthesetoffourdual-
functionLEDsisdisplayingthebatterychargelevelofyourUPS.Note:the
“ONBATT”LEDwillalsobeilluminated.
“OVERLOAD”LED:This red light will illuminate constantly to indicate that
yourUPS’scapacityhasbeenexceededwhileitisinon-lineoperation.The
UPSalarmwillbeepcontinuously.Immediatelyremoveoverloaduntillight
andalarmgoesoff.Ifyoudonotimmediatelyremovetheoverload,the
UPSwilltransferfromon-linetobypassoperation.
“BATTLOW”LED:ThisyellowlightwillilluminatewhenyourUPS’sbattery
charge level is low. The UPS alarm will beep until either the battery charge
isdepletedorthebatteriesareadequatelyrecharged.
“ONBATT”LED:This green light will illuminate constantly to indicate that
AClinevoltageisnotpresentandyourUPSisprovidingyourequipment
with battery power. The UPS will also beep every two seconds, unless
silencedbythe“ON/TEST”Button.Whenthislightisilluminated,youcan
monitorthebatterychargelevelofyourUPSonthe“BATTACTIVEMETER”
LEDs.
201102199 93-2471.indb 9 3/30/2011 9:14:03 AM