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Basic Operation
Indicator Lights (Front Panel)
All Indicator Light descriptions apply when the UPS is plugged into a wall
outlet and turned ON.
“POWER” LED: this green LED lights continuously when the UPS is ON and
supplying connected equipment with AC power from a utility source. The LED
flashes and an alarm sounds (4 short beeps followed by a pause) to indicate the
UPS is operating from its internal batteries during a blackout or severe
brownout. If the blackout or severe brownout is prolonged, you should save
files and shut down your equipment since internal battery power will eventual-
ly be depleted. See “BATTERY CHARGE” LED description below.
“VOLTAGE CORRECTION” LED: this green LED lights continuously
whenever the UPS is automatically correcting high or low AC voltage on the
utility line without the assistance of battery power. The UPS will also emit a
slight clicking noise. These are normal, automatic operations of the UPS, no
action is required on your part.
“OUTPUT LOAD LEVEL” LEDs: the LEDs indicate the approximate elec-
trical load of equipment connected to the UPS's AC outlets. They will turn from
green (light load) to yellow (medium load) to red (overload). If the LED is red
(either illuminated continuously or flashing), clear the overload immediately by
unplugging some of your equipment from the outlets until the LED changes
from red to yellow (or green). CAUTION! Any overload that is not corrected
by the user immediately may cause the UPS to shut down and cease supplying
output power in the event of a blackout or brownout.
“BATTERYCHARGE” LEDs: when the UPS is operating from utility power,
the LEDs indicate the approximate charge state of the UPS's internal batteries:
red indicates the batteries are beginning to charge; yellow indicates the batter-
ies are roughly midway through charging; and green indicates the batteries are
fully charged. When the UPS is operating from battery power during a blackout
or severe brownout, the LEDs indicate the approximate amount of energy
(ultimately affecting runtime) which the UPS’s batteries will provide: red indi-
cates a low level of energy; yellow indicates a medium level of energy; and
green indicates a high level of energy. Since the runtime performance of all UPS
batteries will gradually deplete over time, it is recommended that you periodi-
cally perform a self-test (see MUTE/TEST Button description) to determine the
energy level of your UPS batteries BEFORE a blackout or severe brownout
occurs. During a prolonged blackout or severe brownout, you should save files
and shut down your equipment since battery power will eventually be depleted.
When the red LED illuminates and an alarm sounds continuously, it indicates
the UPS's batteries are nearly out of power and UPS shutdown is imminent.
“BATTERY WARNING” LED: this LED lights red and an alarm sounds
intermittently after you initiate a self test (See “MUTE/TEST” Button descrip-
tion) to indicate the UPS batteries need to be recharged or replaced. Allow the
UPS to recharge continuously for 12 hours, and repeat the self-test. If the LED
continues to light, contact Tripp Lite for service. If your UPS requires battery
replacement, visit www.tripplite.com to locate the specific Tripp Lite replace-
ment battery for your UPS.
200603172 93-2443 SmartPro update OM.qxd 5/16/2006 3:15 PM Page 6