Operation
Smart-UPS RT SURTA1500XL/SURTA1500XLJ/SURTA2000XL Uninterruptible Power Supply User Manual 7
Display Panel Functions
On Battery Operation
The UPS switches to battery operation automatically if the utility power fails. While running On Bat-
tery, an alarm beeps four times every 30 seconds.
Press the button to silence this alarm. If the utility power does not return, the UPS continues to
supply power to the connected equipment until the battery is fully discharged.
When 2 minutes of run time remain, the UPS emits a continuous beeping. If PowerChute is not being
used, files must be manually saved and the computer must be turned off before the UPS fully dis-
charges the battery.
Refer to www.apc.com for information on battery runtimes. The UPS battery runtime differs based on
usage and environment.
Bypass The Bypass LED illuminates indicating that the UPS is in bypass mode.
Utility power is sent directly to connected equipment during bypass mode
operation. Bypass mode operation is the result of an internal UPS fault, an
overload condition, or a user initiated command through an accessory. Bat-
tery operation is not available while the UPS is in bypass mode.
Fault The UPS detects an internal fault.
Overload The connected equipment is drawing more than the UPS power rating
allows.
Replace Battery/Bat-
tery Disconnected
The battery is disconnected or must be replaced.
Feature
Button
Feature Title Function
Power On Press this button to turn on the UPS. Continue reading for additional
capabilities.
Power Off Press this button to turn off the UPS output.
N
OTE: The battery will continue to charge and the fans will continue to run
while the UPS is connected to the utility.
Cold Start When there is no utility power and the UPS is off, press and hold the
button to power up the UPS and connected equipment.
The UPS will emit two beeps. During the second beep, release the button.
Self-Test Automatic: The UPS performs a self-test automatically when tuned on, and
every two weeks thereafter (by default). During the self-test, the UPS
briefly operates the connected equipment On Battery.
Manual: Press and hold the button for a few seconds to initiate the self-
test.
Indicator
LED
Indicator Title Description
(13 pages)
(14 pages)
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