FoxESS A7300P1-E1-B, User Manual, Page: 15 / 17

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9. Maintenance
Troubleshoot by Alarm information on APP or LCD display
If fault occurs, users can check the fault information on the APP or by blinks of the LED indicator
light.
No. Fault code on app Solution
1 Electronic lock fault
Set the electronic lock status to the correct
position.
Or seek help from us.
2 Emergency stop fault
Reset the emergency stop button.
Or seek help from us.
3 Abnormal CP voltage
seek help from us.
4 Abnormal AC output contactor
seek help from us.
5 Over current
Reduce output current.
Or seek help from us.
6 Over voltage
Wait for the grid voltage to return to normal.
Or seek help from us.
7 Undervoltage
Wait for the grid voltage to return to normal.
Or seek help from us.
8 Electric leakage
seek help from us.
9 Reverse connection of lin N
Correctly connect P and N lines.
Or seek help from us.
10 Abnormal frequency
Wait for the grid frequency to return to normal.
Or seek help from us.
11
Over temperature of charging
interface
Wait for the temperature of charging interface to
return to normal.
Or seek help from us.