Basic Operation
(continued)
6
Front Panel Indicator Lights
continued
“BYPASS” LED:
This yellow light will be lit when the UPS’s
DC/AC inverter is deactivated and the UPS is in the “Bypass” mode.
During normal operation this LED will light briefly when the unit is
plugged in, but if an internal fault or overload occurs this light will
illuminate constantly to show that connected equipment will receive
filtered AC utility power, but will not receive battery power during a
blackout. In this case, contact Tripp Lite for service.
“FAULT” LED:
This red light will flash when your UPS detects an
internal fault (overheating, overvoltages, etc.) or when it detects a
wiring fault in your wall outlet (reversed phases, missing ground,
etc.) The UPS will only detect wiring faults when it is plugged into
a utility outlet but not turned ON. If the light persists after restarting
the UPS, contact an electrician to check the AC line. Your UPS will
identify the presence of most (but not all) wiring faults.
“LOAD ACTIVE METER” LED:
This green light will illuminate
when your UPS is receiving AC power to indicate that the set of four
dual-function LEDs is displaying the load level of your UPS.
“BATT ACTIVE METER” LED:
This green light will be lit when
your UPS is operating from battery power to indicate that the set of
four dual-function LEDs is displaying the battery charge level of your
UPS. The “ON BATT” LED will also be illuminated.
“OVERLOAD” LED:
This red light will be lit when your UPS’s capaci-
ty has been exceeded while it is in on-line operation. The UPS alarm will
beep continuously. Immediately remove overload until light and alarm
go off. If you do not immediately remove the overload, the UPS will
transfer from on-line to bypass operation.
“BATT LOW” LED:
This yellow light will be lit when your UPS’s
battery charge level is low. The UPS alarm will beep until either the
battery charge is depleted or the batteries are adequately recharged.
“ON BATT” LED:
This green light will be lit when AC line voltage
is not present and your UPS is providing your equipment with battery
power. The UPS will also beep every two seconds, unless silenced by
the “ON/TEST” Switch. When this light is illuminated, you can monitor
the battery charge level of your UPS on the “BATT ACTIVE
METER” LEDs.
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