53
Check grid voltage is complied with local
grid standard. Restart inverter, if problem
still exist, Contact Growatt.
No AC connection
Error: 302
No AC connection
Check AC wiring.
Check the status of AC breaker
PE abnormal
Error: 303
Voltage of Neutral and PE above
30V.
1.
Check the voltage of Neutral and PE.
2.
Check AC wiring.
3.
Restart inverter, if error message still
exisits,contact Manufacturer
AC F Outrange
Error: 304
Utility grid frequency out of
permissible range.
Please switch off DC switch.
Check AC wiring, especially neutral and
ground wire.
Check grid frequency is complied with local
grid standard. Restart inverter, if problem
still exist, Contact Growatt.
Auto Test Failed
Error: 407
Auto test didn’t pass.
Restart inverter, repeat Auto Test, if
problem still exist, contact Growatt.
