Warning code
Meanings
Suggestion
Warning 401
Inverter communicates
with Meter abnormal
Check if the meter is on.
Check the inverter and the meter
connection is normal .
Warning 404
EEPROM abnormal
Restart the inverter. If the warning
still exist, please contact Growatt
customer service to replace the M3
board.
Warning 405
Firmware version is not
consistent
Uptate the right version firmware.
11.4 I
nverter fault
Warning code
Meanings
Suggestion
Error: 402
Output High DCI
1.Restart inverter, if problem still
exist, Contact Growatt.
Error: 404
Bus sample fault
1.Restart inverter, if problem still
exist, Contact Growatt.
Error: 405
Relay fault
1.Restart inverter, if problem still exist,
Contact Growatt.
Error: 408
Over Temperature
1.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
1.Restart inverter, if problem still exist,
Contact Growatt.
Error: 411
DSP communicates with
M3 abnormal
1.Restart inverter, if problem still exist,
update the DSP&M3 firmware.
2.Change DSP board or M3 board, if
problem still exist, contact Growatt.
Error: 414
EEPROM fault.
1.Restart inverter.
2.I f problem still exist,contact Growatt
Error: 417
The data sampled by the
DSP and redundant M3 is
not the same.
1.Restart inverter.
2.I f problem still exist,contact
Growatt.
Error: 420
GFCI fault.
1.Restart inverter.
2.I f problem still exist,contact
Growatt.
12
Manufacturer Warranty
Please refer to the warranty card.
13
Decommissioning
13.1 Dismantling the Inverter
13.2 Packing the Inverter
1. Disconnect the inverter as described in section.
2. Remove all connection cables from the inverter.
3.Screw off all projecting cable glands.
4.Lift the inverter off the bracket and unscrew the
bracket screws.
CAUTION
Danger of burn injuries due to hot enclosure parts!
Wait 20 minutes before disassembling until the housing has cooled
down.
If possible, always pack the inverter in its original carton and secure it with tension belts.
If it is no longer available, you can also use an equivalent carton. The box must be
capable of being closed completely and made to support both the weight and the size of
the inverter.
13.3 Storing the Inverter
Store the inverter in a dry place where ambient temperatures are always between -25°C
and +60°C.
13.4 Disposing of the Inverter
Do not dispose of faulty inverters or accessories together with household
waste. Please accordance with the disposal regulations for electronic waste
which apply at the installation site at that time. Ensure that the old unit and,
where applicable, any accessories are disposed of in a proper manner.
