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Code Message
P230 L1 DC OffsetCurr
P231 L2 DC OffsetCurr
P232 L3 DC OffsetCurr
P233 N DC OffsetCurr
P234 DC OffsetCurr
P240 Anti-Islanding
P250 Grid L1 OV 10min
P251 Grid L2 OV 10min
P252 Grid L3 OV 10min
P253 Grid OV 10min
P300 BAT A OV
P301 BAT B OV
P310 BAT A UV
P311 BAT B UV
P320 BAT A OC
P321 BAT B OC
P330 BAT A OC HW
P331 BAT B OC HW
P350 BAT A Low SOC
P351 BAT A State Error
Description
DC offset current of grid L1 is added on
grid.
DC offset current of grid L2 is added on
grid.
DC offset current of grid L3 is added on
grid.
DC offset current of grid N is added on
grid.
DC offset current is added on grid.
There was a power failure.
Average voltage of the grid L1 for 10mins
is higher than the limitation.
Average voltage of the grid L2 for 10mins
is higher than the limitation.
Average voltage of the grid L3 for 10mins
is higher than the limitation.
Average voltage of the grid for 10mins is
higher than the limitation.
Voltage level of BAT A is higher than the
limitation.
Voltage level of BAT B is higher than the
limitation.
Voltage level of BAT A is lower than the
limitation.
Voltage level of BAT B is lower than the
limitation.
Current level of the BAT A is higher than
the limitation.
Current level of the BAT B is higher than
the limitation.
Current level of the BAT A is
instantaneously higher than the limitation.
Current level of the BAT B is
instantaneously higher than the limitation.
SOC level of BAT A is lower than the
limitation.
A State Error occurs from the BAT A.
Troubleshooting
151
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
grid L1 voltage is normal
Automatically restart after
grid L2 voltage is normal
Automatically restart after
grid L3 voltage is normal
Automatically restart after
grid voltage is normal
Automatically restart after
BAT A voltage is normal
Automatically restart after
BAT B voltage is normal
Automatically restart after
BAT A voltage is normal
Automatically restart after
BAT B voltage is normal
Automatically restart after
BAT A current is normal
Automatically restart after
BAT B current is normal
Automatically restart after
BAT A current is normal
Automatically restart after
BAT B current is normal
Automatically restart after
BAT A SOC is normal
Automatically restart after
BAT A state is normal
4
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