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5.2 Operation Mode
1. UPS operation mode contains normal mode, battery mode and bypass mode,
self test mode and fault mode.
2. Under the four modes, the page showing output voltage and output
frequency is the main display page. Under the fault mode, the page showing
fault code is the main display page.
3. 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 auto switch back the main page after 30 seconds.
4. 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, the backlight will be turn on.
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 turn on. Load information area shows load value, and the battery
level area indicates dynamically when the battery is not full charged (the
battery level icons lit one after another circularly). When the battery is full
charged, all the level icons are turn 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 turn 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.
Figure 5-2 Normal Mode
2. If load is more than 105 percent, the buzzer beeps twice every second,
meanwhile, the warning icon blinks every second too, reminding that you
