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2: OPERATION
Front Display Panel
INDICATOR DESCRIPTION
Online
This LED is lit when the uninterruptible power supply is supplying utility power to the
connected equipment and performing double conversion to supply power to the con-
nected equipment. If not lit, the uninterruptible power supply is either not turned on, or
is supplying battery power. When flashing, the uninterruptible power supply is running
an internal self-test.
On Battery
This LED is lit when the uninterruptible power supply is supplying battery power to the
connected equipment.
Bypass
This LED is lit when the unit is sending utility power directly to the connected equip-
ment. Bypass mode operation is the result of an internal fault, an overload condition, or
a user-initiated command (performed manually through the manual bypass switch).
Battery operation is not available while the uninterruptible power supply is in bypass
mode. See Troubleshooting.
Fault
This LED is lit when the uninterruptible power supply detects an internal fault. See
Troubleshooting.
Overload
This LED is lit and the uninterruptible power supply emits a sustained alarm tone when
the connected loads are drawing more than the uninterruptible power supply power
rating. See Troubleshooting.
Replace Battery
Failure of a battery self-test causes the uninterruptible power supply to emit short beeps
for one minute and this LED to be lit. See Troubleshooting.
FEATURE FUNCTION
Power On
Press this button to turn on the uninterruptible power supply. (Additional capabilities
will be described later in the document.)
Power Off
Press this button to turn off the uninterruptible power supply.
Self-Test Automatic: The uninterruptible power supply performs a self-test automatically when
turned on, and every two weeks thereafter (by default). During the self-test, the uninter-
ruptible power supply briefly operates the connected equipment on battery.
If the uninterruptible power supply fails the self-test, the replace battery LED is lit and
immediately returns to online operation. The connected equipment is not affected by a
failed test. Allow the battery to recharge for 24 hours and perform another self-test. If it
fails, the battery must be replaced.
Manual: Press and hold the
button for a few seconds to initiate the self-test.