WARNING: Risk of Damage
Connecting the solar module to the battery connector will permanently damage the controller.
Confirm that the solar and battery polarities are correctly connected to the controller.
A battery must be connected to the controller before operating it. The controller will not
operate only with solar input. Solar input can trigger the controller to start up when the
battery is connected without pressing the button.
Turn on battery disconnect switch first. And press operation button for a while. Then , it will
indicate a successful start-up in LCD display.
Turn on solar disconnect switch. If the solar module is in full sunlight, the controller will
begin charging.
4.2 Operation and Display Panel
The operation and display panel, shown in below chart, is on the front panel of the controller. It
includes three indicators, one operation button and a LCD display, indicating the operating status
and input/output power information.
LED Indicator
LED Indicator
Messages
POWER
ON/CHARGING
Green
Solid On
The controller is on.
Flashing
The controller is charging.
Bulk charge stage : flashing every 0.5 second
Absorption stage : flashing every second
Equalize stage : flashing every 3 seconds
Float stage : flashing every 5 seconds
FAULT/WARNING
Red
Solid On
Fault occurs.
Flashing
Warning situation occurs.
WIRING FAULT
Red
Solid On
Battery polarities are not connected correctly.
Function Keys
Function Keys
Description.
ON/MENU
Enter reset mode or setting mode go to previous selection.
