Trouble Shooting
P022
P023
P024
P025
P026
P027
Battery open-circuit
Battery SOC deadly low
BMS communication fault
No time interval setting for Peak
shaving and valley filling mode
Remote off
Smart meter communication
fault
Check the connection of battery and set
right battery SOC in each mode.Check
the battery for parameter settings.
Check the BMS communication cable
and BMS protocol setting
Check inverter work mode setting
Inverter turn off through monitoring
Check the communication cable for
smart meter and meter protocol
P033
P034
P035
P036
Grid voltage high
Grid voltage low
Grid frequency high
Grid frequency low
Check if grid fails or not connected well
P037
P038
Islanding protection
Grid wave loss
P039
P040
P041
DC injection high
Utility not three phase
Phase sequence fault
The inverter will recover automatically.
Check if grid cable well connected
Reverse connection order of L2 and L3
cable
P042 PLL error
The inverter will recover automatically.
Decrease EPS loads to make sure the
P048 EPS overload
total loads power is lower than EPS
nominal output power, press power key
more than 3 seconds to clear alarm
P049
P050
P051
P052
EPS output voltage high
EPS output voltage low
EPS mode bus soft start fault
Inv soft start fault
Check if EPS over load, press power
key more than 3 seconds to clear alarm
P053
EPS load short circuit
25
Trouble Shooting
P059
Battery current limited
P060
Inv trip
The inverter will recover automatically.
P061
Transient trip
P062
Bus trip
If you meet any problem that you cannot solve by yourself, please contact with your local
distributor or our company.
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