4.4.3 Power on Self-test
1. Measure the open circuit voltage of the product in the shutdown state. The
normal state should be 0V;
2. Press the wake-up button for 2-3 seconds, the display panel will light up, and
then measure the open circuit voltage of the product again. The voltage
range under normal condition should be 43.2V~56.8V;
3. After checking, press the wake-up button for 3-6 seconds to turn off the
battery module.
Tips：
If any abnormality is found, please contact the dealer for help.
4.4.4 Wiring and Setting
a. When using single PB2：
1. Turned off the inverter.
2. Connect the PB2 and inverter with power cables and communication cables.
The positive cable (orange quick plug terminal) is inserted into the battery
positive socket, and the OT terminal is connected to the battery positive
input terminal of the inverter. The negative cable (black quick plug terminal)
is connected to the battery negative socket, and the OT terminal is
connected to the battery negative input terminal of the inverter.
Communication port selection RS485-1/CAN-1/
CAN-2 port.
3. Connect the grounding cable.
4. Set the address refer to Section 3.3.3 "DIP Switch".
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General