LG ESS Home 10 Manual De Instalación página 70

70 Troubleshooting
Code Message
P536 Grid Relay5
P537 Grid Relay6
P538 Grid Relay7
P539 Grid Relay8
P540 SDSP Detection
P541 Fan Detection
P542 Fan 2 Detection
P543 Batt Pre Relay
4
P544 Batt A Relay
P545 Batt B Relay
P546 Batt Common Relay
P547 SDSP Error
P548 INV L1 Over Voltage
P549 INV L2 Over Voltage
P550 INV L3 Over Voltage
P551 PV Source
Unmatching
P552 Battery Source
Unmatching
P553 Battery A
Disconnection
P554 Battery B
Disconnection
Description
Grid relay is not operable (L3-1)
Grid relay is not operable (L3-2)
Grid relay is not operable (N-1)
Grid relay is not operable (N-2)
The sub-processing unit in the
product is in fault
The cooling fan 1 in the product is
in fault
The cooling fan 2 in the product is
in fault
Batt Pre Relay is not operable
Batt A Relay is not operable
Batt B Relay is not operable
Batt Common Relay is not
operable
Communication error with the
connected SDSP for over
Voltage level of Inverter L1 is
higher than the limitation
Voltage level of Inverter L2 is
higher than the limitation
Voltage level of Inverter L3 is
higher than the limitation
Invalid PV source connection
Invalid Battery source connection
BMS communication is connected
but the power line of battery A is
not connected
BMS communication is connected
but the power line of battery B is
not connected
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
Automatically restart after
detecting fault
Automatically restart after
detecting fault
Automatically restart after
detecting fault