User Manual
9
1
1
3
2
2
Fig. 2-4
LCD Display Panel
Tab. 2-2
LCD Display Panel Description
No. Name
Description
1
LED
indicators
“RUN” and “FAULT”. Inverter current state can be known from the
two indicators. Detailed definition is shown in Tab. 2-3.
2
Buttons
Navigate in the LCD menu, set values and so on. Detailed
function is shown in “Tab. 10-1”.
3
LCD
screen
LCD screen can display current state of inverter, current running
information, history information and parameters to be set.
Tab. 2-3
Description of LED Indicator Status
LED Status
Description
“RUN”: on;
Inverter is feeding AC power to the utility grid.
“FAULT”: off
“RUN”: off;
A fault happens;
or protection function triggers.
“FAULT”: on
“RUN”: off;
Inverter is not energized;
or there is a communication error between DSP and LCD.
“FAULT”: off
“RUN”: Flicker
Warning information occurs to the inverter.
“FAULT”: OFF
2.2.5 DC Switch
DC switch is designed for safely disconnecting the DC input current if required.
The inverter works automatically when input and output meet the requirements.
Rotating DC switch to the “OFF” position will immediately cut off the flow of DC
current.
Rotate the DC switch to the “ON” position, before restarting the inverter.
2.3
Technical Description
2.3.1 Principle Description
PV strings input voltage is transmitted to DC BUS via Boost circuit.
