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5 Operation (LCD model)
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.
