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c) Current: If the current exceeds 100 A, the battery protection will be
activated.
Solution: Check whether current is too large, and if it is, change the
settings on power supply side.
d) High Voltage: If the charging voltage is above 57.6 V, battery protection
will be activated.
Solution: Check whether voltage is too high. And if it is, change the
settings on power supply side. And discharge the module.
e) Low Voltage: When the battery discharges to 45 V or less, battery
protection will be activated.
Solution: Charge the battery till the red light is turned off.
f) High Cell voltage: The module voltage is lower than 56.8 V, SOC LEDs are
not all on. When discharging the module, the protection disappears.
Solution: Keep charging the module by 56~56.8 V or keep the system
cycle. The BMS can balance the cell during cycling.
3) Unable to charge and discharge with red LED on. The temperature is
0~50°C. Use charger to charge, not possible. Use load to discharge, not
possible.
g) Under permanent protection. The single cell voltage is higher than 4.2 V
or lower than 1.5 V; Or single cell temperature is higher than 80°C.
Solution: Switch off the module and contact your local distributor to
repair.
4) Unable to charge and discharge without red LED off. The temperature is
0~50°C. It is impossible to use charger to charge and load to discharge.
h) Fuse broken.
Solution: Switch off the module and contact your local distributor for
repair.
5) Buzzer rings and Protect LED red.
i) Over voltage protection.
Cell voltage higher than 3.9 V or module voltage higher than 59.5 V.
Solution: Battery system requires properly established communication
with inverter and correct settings on inverter to run safely. Check that the
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