55
Error: 404 Bus sample fault
Restart inverter, if problem still exist,
Contact Growatt.
Error: 405 Relay fault
Restart inverter, if problem still exist,
Contact Growatt.
Error: 408 Over Temperature
If the ambient temperature of inverter is
lower than 60°C, restart inverter, if error
message still exists, contact Growatt.
Error: 409 Bus over voltage
Restart inverter, if problem still exist,
Contact Growatt.
Error: 411
DSP communicates with M3
abnormal
Restart inverter, if problem still exist,
update the DSP&M3 firmware；
Change DSP board or M3 board, if problem
still exist, contact Growatt.
Error: 414 EEPROM fault.
Restart inverter, if problem still exist,
Contact Growatt.
Error: 417
The data sampled by the DSP and
redundant M3 is not the same.
Restart inverter, if problem still exist,
Contact Growatt.
Error: 420 GFCI fault.
Restart inverter, if problem still exist, or
contact Growatt.
Error: 425 AFCI self-test fault
Restart inverter, if problem still exist, or
contact Growatt.
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