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3.1.2. Turn on the UPS with no utility power supplied (in battery mode)
A. Press the
“
ON
”
button continuously for more than 1 second to power on the UPS For long back up time
model(
“
S
”
model), please make sure that the battery breaker is in
“
ON
”
position.
B. During the course of starting up, the UPS has the same action as if it is connected to utility power
except that the utility power LED is not turned on and the battery LED is turned on instead.
3.1.3. Turn off the UPS with utility power supplied (in line mode/AC mode)
A. Press the
“
OFF
”
button continuously for more than 1 second to turn off the inverter of the UPS
immediately.
B. When being powered off, the UPS will perform self-diagnosis, the load/battery level LEDs will be turned
on and then off one after another in ascending order, then the INV LED will be turned off and bypass LED will
be turned on. The UPS is working in bypass mode.
C. Upon completion of the above to turn it off, output of electric current of the UPS is still present. In order
to cut off the output from the UPS, simply cut off the utility power supply and the UPS will perform
self-diagnosis, finally not any display is shown on the display panel and no voltage output is available from
the UPS output.
3.1.4. Turn off the UPS with no utility power supplied (in battery mode)
A. Press the
“
OFF
”
button continuously for more than 1 second to power off the UPS.
B. When being powered off, the UPS will perform self-diagnosis, the load/battery level LEDs will be turned
on and then off one after another in ascending order. Finally not any display is shown on the display panel
and on voltage is available form the UPS output.
Suggestions: please turn off the connected loads before turning on the UPS and turn on the loads one by
one after the UPS is working in INV mode. Turn off all of the connected loads before turning off the UPS.
3.2. Operating mode
3.2.1. Utility power mode
The display panel in utility power mode is shown in the following diagram, the utility power LED and the
INV LED are turned on, the load level LEDs will be turned on in accordance with the load capacity
connected.
A. If the battery LED is turned on and the utility power LED flashes, it indicates the voltage or frequency of
the utility power has exceeded the normal range, the UPS operates in battery mode.
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