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The LED indicators on the front panel of the BMS and the battery modules indicate the
operating status. Description of the status indicators of BMS is shown as follows:
No. Status of BMS
1
Green LED flashes on 1 sec and off for 4 sec
When both groups have faults, the status lights of the two
groups will flash red at intervals of 0.5 seconds. The general
status light will keep the red light on.
When one of the two groups has a fault, and the status light
2
of one group flashes red (light for 1 second and off for 4
seconds), while the other group keeps the green light on.
* When the fault is reported, the fault light of the corresponding
branch will stay red.
The status light of one of the two groups is off if it works
normally.
3
The general status light will flash green (light for 1 second
and off for 4 seconds) will stay on green light if an inverter is
connected.
4
Green LED flashes once every 0.5 sec
5
Light off
• The capacity indicators show the state of charge (SOC):
When the battery module is neither charging nor discharging, the indicator lights are off.
When the battery module is charging, a part of the blue LED flashes once every 5
seconds, and a part of the blue LED is on. Take SOC 60% for instance, when in charging
state:
1) The last two blue LED indicators are on
2) The last three blue LED indicators flash once evey 5 seconds
When the battery module is discharging, the blue LED indicators flash once every 5
seconds. Take SOC 60% for instance, when in discharging state:
1) The last three blue LED indicators flash once every 5 seconds
Capacity
SOC
25% 50% 75% 100%
Status light 1
General status light
Status light 2
Mode
Inverter sends
Idle command
Protection
Normal
Upgrade for BMS
Power off
87