15
5 Operation (LCD model)
5.1 Operation Display Panel
1. ON button:
Pressing the ON button more than 1 second (buzzer beeps once), the UPS
system is turned on.
2. OFF button:
By pressing this button more than 1 second (buzzer beeps once) turns off
the UPS system whenever the UPS run under the normal mode/battery
mode.
3. Function button
The Function button provides the following functions:
a) Battery self- diagnosis: When the UPS ran in normal mode, pressing this
button more than 2 seconds (buzzer beeps twice) can start the battery
self-diagnosis.
b) Silence function in battery/bypass mode
In battery/bypass mode, when the buzzer beeps, pressing and holding the
function button for more than 2 seconds (buzzer beeps two times) can
silence the buzzer. Press the button for more than 2 seconds (buzzer beeps
twice) again to resume the alarm function
16
c) LCD display screen switch
Pressing the function button for more than 1 seconds and less than 2
seconds (buzzer beeps once) to switch LCD display screen
4 LED indicators
The LED indicators contains, Bypass indicator, utility power indicator,
Inverter indicator, Battery indicator. The definition of each indicator is the
same as LED panel (refer to table 4-1).
5.2
Operation Mode
UPS Operation Mode contains normal mode, battery mode and bypass
mode. Under the three modes, the page showing output voltage and output
frequency is the main display page. If users need more information about
UPS, Pressing the function button can initiate display screen switch. If the
current page is not the main page, UPS will automatically switch back the
main page after 30 seconds. In order to extend the LCD usage life, the
backlight will turn off after 1 minute without any switch operation. At this
point, Users just need to touch any button briefly to turn on the backlight.
5.2.1
Normal mode
When operating in the normal mode, the display of main page on the front
panel is shown as the figure 5-2. The utility power indicator and the
Inverter indicator are turned on. Load information area shows load value,
and the battery level area indicates dynamically when the battery is not
fully charged (the battery level icons lit one after another circularly). When
the battery is fully charged, all the level icons are turned on.
1) If the utility power indicator blinks, it indicates that there are problems
with reversed polarity (L, N) of site wiring or disconnect with ground.
UPS is still working in normal mode. If the battery indicator is turned on
at the same time, it shows that the voltage or frequency of the utility
power is out of the normal input range of the UPS. The UPS works in
battery mode.
