Basic Operation
Buttons (Front Panel)
"ON/OFF/STANDBY" Button
• To turn the UPS ON: With the UPS plugged into a live AC wall
• To turn the UPS OFF: With the UPS ON and receiving utility power,
* After you plug the UPS into a live AC outlet, the UPS (in "Standby" mode) will
automatically charge its batteries, but will not supply power to its outlets until it
is turned ON. ** The alarm will beep once briefly after the indicated interval has
passed. *** If fully charged.
"MUTE/TEST" Button
To Silence (or "Mute") UPS Alarms: Briefly press and release the
MUTE/TEST button.*
To Run a Self-Test: With your UPS plugged in and turned ON, press
and hold the MUTE/TEST button for two seconds.* Continue holding
the button until the alarm beeps several times and the UPS performs a
self-test. See "Results of a Self-Test" below. You can leave connected
equipment on during a self-test. Your UPS, however, will not perform
a self-test if the UPS is not turned on (see "ON/OFF/STANDBY" Button
description).
CAUTION! Do not unplug your UPS to test its batteries. This will
remove safe electrical grounding and may introduce a damaging
surge into your network connections.
Results of a Self-Test: The test will last approximately 10 seconds as
the UPS switches to battery to test its load capacity and battery charge.
• If the "OUTPUT LOAD LEVEL" LED remains illuminated red and
CAUTION! Any overload that is not corrected by the user
immediately following a self-test may cause the UPS to shut down
and cease supplying output power in the event of a blackout or
brownout.
outlet*, press and hold the "ON/OFF/STANDBY" button for one
second.** Release the button. If utility power is absent, you can
"cold-start" the UPS (i.e.: turn it ON and supply power for a limited
time from its batteries***) by pressing and holding the "ON/OFF/
STANDBY" button for one second.**
press and hold the "ON/OFF/STANDBY" button for one second.**
Then unplug the UPS from the wall outlet. The UPS will be
completely OFF.
the alarm continues to sound after the test, the UPS outlets are
overloaded. To clear the overload, unplug some of your equipment
and run the self-test repeatedly until the "OUTPUT LOAD LEVEL" LED
no longer illuminates red and the alarm no longer sounds.
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