9.4.3 Inverter warning
9.4.4 Inverter fault
Warning code
Meanings
Suggestion
Warning 203
PV1 or PV2 Circuit
short
1.Check the PV panel polarity.
2.Restart the inverter. If the warning still
exist, please contact Growatt customer
service to replace the POWER board.
Warning204
Dryconnect function
abnormal
1.After shutdown,Check the dry
Dryconnect wiring.
2.If the error message still exists, contact
manufacturer
Warning 205
PV1 or PV2 boost
broken
Restart the inverter. If the warning still exist,
please contact Growatt customer service to
replace the power board.
Warning207
USB over-current
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.
Warning 401
Inverter
communicates with
Meter abnormal
1.Check if the meter is on.
2.Check the inverter and the meter
connection is normal.
Warning404
EEPROM abnormal
Restart the inverter. If the warning still exist,
please contact Growatt customer service to
replace the M3 board.
Warning405
Firmware version is
not consistent
Uptate the right version firmware
Error code
Meanings
Suggestion
Error: 402
Output High DCI
Restart inverter, if problem still exist,
contact Growatt
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,
contact Growatt.
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