Battery Error Code - LG ESS Home 10 Installation Manual

72 Troubleshooting

Battery Error Code

y Each battery is indicated by # 1, # 2, each battery share a code error.
Code Message
B184 Under SOC Warning
B185 Over SOC Warning
B186 Over Discharge Power
Limit
B187 Over Charge Power
Limit
B188 Over Discharge
Current
B189 Over Charge Current
4
Warning
B191 Temperature
Deviation Warning
B192 Under Temperature
warning
B193 Cell Voltage Imbalance
Warning
B194 Cell Under Voltage
Warning
B195 Cell Over Voltage
Warning
B601 Battery Monitoring IC
Loss Of
B606 Over Discharge Power
Limit
B607 Over Charge Power
Limit Fault
B608 Over Discharge
Current Fault
B609 Over Charge Current
Fault
Description
SOC Voltage level of battery cell is
lower than the limitation
SOC Voltage level of battery cell is
higher than the limitation
Discharge Power of the battery is
lower than the limitation
Charge Power of the battery is
higher than the limitation
Current level of the battery is
lower than the limitation
Current level of the battery is
higher than the limitation
Temperature differences between
the batteries are over the limitation
The battery temperature is lower
than the limitation
Cell Voltage differences between
the battery cells are higher than
the limitation
Cell Voltage level of battery cell is
lower than the limitation
Cell Voltage level of battery cell is
higher than the limitation
Battery Monitoring IC Loss Of
Communication Fault
Discharge Power of the battery is
lower than the limitation
Charge Power of the battery is
higher than the limitation
Current level of the battery is
lower than the limitation
Current level of the battery is
higher than the limitation
Solution
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault