5
CAUTION: Please strictly follow installation procedure when you want to connect PV or DC
terminals. Don’t touch the DC terminals and the PV terminals by hand. Failure to follow these
instructions can result in serious electrical shock.
5. Operation
Power On/Off
Once the inverter has been properly installed, press the power switch to turn on the unit. The unit will work
automatically in line mode or inverter mode according to input utility power's status. When press the power
switch again, the unit will be turned off.
LED Indicators, Function Keys & Audible Alarms
There are three indicators in the front panel of the unit.
LED Indicator
Messages
Green
Solid On
Output is available in bypass mode
Flashing
Output is powered by battery in inverter mode
Green
Solid On
Battery is charging by SCC
Flashing
Battery is not charging by SCC while SCC power on
Red
Solid On
Fault mode
Flashing
battery low or overload warning
Function Keys
Function Key
Description
ESC
To exit setting mode
SCROLL
To go to next selection
ENTER
To confirm the selection in setting mode or enter setting
mode
Audible Alarms
Buzzer Audible Alarm
Messages
Inverter Mode (Low-battery Voltage)
Buzzing every 1 seconds
110% overload warning
Buzzing every 0.5 second
Overcharge
Buzzing continuously
Fault mode
Buzzing continuously
