39
40
11.3 Inverter warning
Warning code
Meanings
Suggestion
Warning202
Warning 203
Warning204
Warning 205
Warning207
Warning 401
Warning404
Warning405
DC SPD function abnormal
PV1 or PV2 Circuit short
Dryconnect function abnormal
PV1 or PV2 boost broken
USB over-current
Inverter communicates
with Meter abnormal
EEPROM abnormal
Firmware version is not
consistent
1.After shutdown,Check the DC SPD.
2.If error message still exists,contact
manufacturer.
Check the PV panel polarity.
Restart the inverter. If the warning
still exist, please contact Growatt
customer service to replace the
POWER board.
Restart the inverter. If the warning
still exist, please contact Growatt
customer service to replace the power
board.
Restart the inverter. If the warning
still exist, please contact Growatt
customer service to replace the M3
board.
Uptate the right version firmware
1.After shutdown,Check the dry
Dryconnect wiring.
2.If the error message still exists,
contact manufacturer.
1: Unplug the U disk or monitor.
2: Re-access U disk or monitor after
shutdown.
3.If the error message still exists,
contact manufacturer.
1: Check if the meter is on.
2: Check the inverter and the meter
connection is normal .
11.4 Inverter fault
Error code
Meanings
Suggestion
Error: 402
Error: 404
Error: 405
Error: 408
Error: 409
Error: 411
Error: 414
Error: 417
Error: 420 GFCI fault.
The data sampled by the
DSP and redundant M3 is
not the same.
EEPROM fault.
DSP communicates with
M3 abnormal
Bus over voltage
Over Temperature
Relay fault
Bus sample fault
Output High DCI
Restart inverter, if problem still exist,
Contact Growatt.
Restart inverter, if problem still exist,
Contact Growatt.
Restart inverter, if problem still exist,
Contact Growatt.
If the ambient temperature of inverter is
lower than 60°C, restart inverter, if error
message still exists, contact Growatt.
Restart inverter, if problem still exist,
Contact Growatt.
Restart inverter, if problem still exist,
contact Growatt.
Restart inverter, if problem still exist,
Contact Growatt.
Restart inverter, if problem still exist,
Contact Growatt.
Restart inverter, if problem still exist, or
contact Growatt.
Restart inverter, if problem still exist, or
contact Growatt.
Error: 200 AFCI fault
1.After shutdown,Check the PV panel terminal.
2.Restart inverter.
3.If error message still exists,contact Growatt.
Error: 425 AFCI self-test fault
