LG ESS HB 10.0 Installation Manual page 68

Troubleshooting
32
If the battery FAULT LED is ON
1. Check if the inverter recognizes the battery. Refer to the inverter's troubleshooting guide on the
battery set-up instruction.
2. If the inverter is connected to the internet, collect the log file from the inverter company.
2-1. Send the fault ID to LGE regional contact point.
2-2. Turn off the Circuit Breaker first, then turn off the disconnect switch.
2-3. Wait further instruction from LGE
3. If the inverter is not connected to the internet, check the inverter LCD to read battery's fault ID.
Refer to the inverter's troubleshooting guide for instruction.
3-1. Send the fault ID to LGE regional contact point.
3-2. Turn off the Circuit Breaker first, then turn off the disconnect switch.
3-3. Wait further instruction from LGE.
5
LED Status Action
Fault