Troubleshooting; Error Codes And Messages; Pcs Error Codes - LG ED05K000E00 Installation Manual

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Troubleshooting

Error Codes and Messages

PCS error codes

Code Message
P301 BMS CAN Comm Fault
P302 PMS Comm Fault
P303 DSP SCI Comm Fault
P304 Meter Comm Fault
P305 Grid Relay(L1-1) F
P306 Grid Relay(L2-1) F
P307 Grid Relay(L3-1) F
P308 Grid Relay(N-1) F
4
P309 Grid Relay(L1-2) F
P310 Grid Relay(L2-2) F
P311 Grid Relay(L3-2) F
P312 Grid Relay(N-2) F
P315 PCS IGBT Fault
P316 ESS Fan Fault
P317 Fault Reset Fail
P318 Fuction Safety F
P320 DSP SCI Comm Error
P321 Grid Conn Fault
Description
Communication error with the
connected battery for over 10
seconds.
Communication error on PCS
system.
Communication error with
the processing unit for over a
minute.
Communication error with the
smart meter.
Grid relay is not operable.
(L1-1)
Grid relay is not operable.
(L2-1)
Grid relay is not operable.
(L3-1)
Grid relay is not operable.
(N-1)
Grid relay is not operable.
(L1-2)
Grid relay is not operable.
(L2-1)
Grid relay is not operable.
(L3-2)
Grid relay is not operable. (N-2) Automatically reboot within a
The PCS IGBT is not operable.
The cooling fan in the product is
in fault.
Fault reset has been failed 3
times.
The processing unit has a
hardware fault.
Communication error with
the processing unit for over 5
seconds.
Incorrect power grid connection
has detected.
Solution
Contact service center.
Fault Reset & Restart
Contact service center
Stop, Fault Reset & Restart
Automatically reboot within a
minute.
Automatically reboot within a
minute.
Automatically reboot within a
minute.
Automatically reboot within a
minute.
Automatically reboot within a
minute.
Automatically reboot within a
minute.
Automatically reboot within a
minute.
minute.
Automatically reboot within a
minute.
Automatically reboot within a
minute.
Contact service center.
Automatically reboot within a
minute.
Automatically reboot within a
minute.
Contact service center.