LG ESS Home 10 Installation Manual page 68

68 Troubleshooting
Code Message
P474 Grid L3 DC Offset
Current
P500 PV Insulation
Resistance
P501 Inverter Over Temp.
P502 PV Over Temp.
P503 Batt Over Temp.
P504 DC Link Over Voltage
P505 DC Link Over Voltage
Unbalance
4
P506 PVA Over Voltage
P507 PVB Over Voltage
P508 Batt A Over Voltage
P509 PVC Over Voltage
P510 Batt B Over Voltage
P511 DC link Top Over
Voltage
P512 DC link Bottom Over
Voltage
P513 DC link Total under
Voltage
P514 Batt B Over Current
Instant
Description
DC offset current is added on
grid(L3)
Insulation resistance level on PV is
lower than the limitation
The inverter IGBT temperature is
higher than the limitation
The PV IGBT temperature is higher
than the limitation
The battery IGBT temperature is
higher than the limitation
Voltage level of the DC Link is
higher than the limitation
Voltage level of the DC Link
balance is higher than the
limitation
Voltage level of PV A is higher
than the limitation
Voltage level of PV B is higher
than the limitation
Voltage level of battery A is higher
than the limitation
Voltage level of PV C is higher
than the limitation
Voltage level of battery B is higher
than the limitation
Voltage level of the DC Link Top is
higher than the limitation
Voltage level of the DC Link
Bottom is higher than the
limitation
Voltage level of the DC Link total
is lower than the limitation
Current level of the battery B is
instantaneously higher than the
limitation
Solution
Automatically restart after
detecting fault
Automatically restart after
PV IR is normal
Automatically restart after
INV temp is normal
Automatically restart after
PV temp is normal
Automatically restart after
Battery temp is normal
Automatically restart after
DC Link voltage is normal
Automatically restart after
DC Link voltage is normal
Automatically restart after
PV A voltage is normal
Automatically restart after
PV B voltage is normal
Automatically restart after
Battery A voltage is normal
Automatically restart after
PV C voltage is normal
Automatically restart after
Battery B voltage is normal
Automatically restart after
DC Link voltage is normal
Automatically restart after
DC Link voltage is normal
Automatically restart after
DC Link voltage is normal
Automatically restart
after Battery B Current is
normal