Battery Dc-Dc Converter Error Code - LG ESS Home 10 Installation Manual

74 Troubleshooting

Battery DC-DC Converter Error Code

Code Message
B632 DDC_Battery Over
Voltage
B633 DDC_Battery Over
Current
B634 DDC_Over Voltage
B635 DDC_Link Over
Current
B636 DDC_Over
Temperature
B367 DDC_BMS_Loss of
Communication
4
B638 DDC_INVERTER_Loss
of Communication
B639 OVP CB Open
B640 Reverse Polarity_PV
power charge DC
B641 Reverse Polarity_
Battery try to
precharege
y Firmware version, Error codes and Fault conditions on the lists can be accessed on the display.
And those can also be accessed from the server.
Description
Battery DC-DC Converter Over
Voltage
Battery DC-DC Converter Over
Current
DC-DC Over Voltage
DC-DC Link Over Current
DC-DC Converter Over
Temperature
DC-DC BMS Loss of
Communication
DC-DC INVERTER Loss of
Communication
Over Voltage Protection Curcuit
Breaker Open
Reverse Polarity PV power charge
DC
Reverse Polarity Battery try to
precharege
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
Contact service center
Automatically restart after
detecting fault
Automatically restart after
detecting fault