LG ESS HB 7.0 Manuel D'installation page 67

If the battery LED is ON, but the battery is not charging or discharging
1. Update both the inverter and battery firmware version. Refer to the inverter's troubleshooting
guide for instruction.
2. Check the inverter's setting for battery.
Refer to the inverter's troubleshooting guide for the battery set-up instruction.
3. If the battery is recognized, inverter set up is correct.
4. If the issue persists,
4-1. Turn off the Circuit Breaker.
4-2. Turn off the disconnect switch.
4-3. Turn off the inverter. Verify there is no power at the battery connection.
4-4. Unplug all the wires and reconnect. Re-check the wiring on the battery is done correctly.
Refer to the installation manual (3.2 Cable connection).
4-5. Turn on the disconnect switch first, then Turn on the Circuit breaker.
5. If the battery set up is correctly done, but the battery still does not operate, turn off the Circuit
Breaker first, then turn off the Disconnect Switch.
6. Contact LGE regional contact point.
LED Status
Troubleshooting
67
Action
Power on, Idle
Charging
Discharging
5