Maintenance and Troubleshooting
29
6.2.2. Battery Protection Description
LED
Indictor
Error
Code
LED
Display Description
Troubleshooting
Yellow
LEDs
on
or
Yellow
LEDs flash
once per
second.
1
Temperature
difference
Wait for automatical
recovery.If the problem is
not be solvedyet
,
please call
the service center.
3
High-
Temperature
Stop discharging and
charging until this code is
eliminated andwait for the
temperature to drop.
4
Low-tempera-tu
re discharge
Stop discharging until this
codeis eliminated and wait
for the temperature to rise
5
Over-cur
1
rent
charge
Wait for automatical
recovery.If the problem is
not be solvedyet, please call
the service center.
6
Over-current
discharge
8
Cell overvoltage
9
Cell undervoltage Stop discharging and call
theservice immediately.
11
Low-tempe-rat
ure charge
Stop discharging until this
codeis eliminated and wait
for the temperature to rise.
In the case of work mode, if the protection code 9 appears, please press the
power
button of the battery 5 times within 10 seconds, the BMS will be forced to turn
on the MOSFET of discharge so that the inverter can detect the battery open
voltage and charge the battery.