Output High DCI
Output current DC
offset too high
1. Restart inverter.
2. If error message still exists, contact
Growatt.
PV Voltage High
The DC input voltage
i s
e x c e e d i n g
t h e
m a x i m u m t o l e r a b l e
value.
1. Disconnect the DC wire immediately.
2. Check the voltage of each PV string
with multimerter.
3. If the voltage of PV strings is lower
than 780V, contact Growatt.
Auto Test Failed
Auto test didn't pass.
Restart inverter, repeat Auto Test, if
problem still exist, contact Growatt.
9.3 Inverter warning
Warning code
Meanings
Suggestion
Warning103
Restart the inverter. If the warning still
exist, please contact Growatt customer
service to replace the COM board.
Warning 105
Fail to write EEPROM.
Restart the inverter. If the warning still
exist, please contact Growatt customer
service to replace the COM board.
9.4 Inverter fault
Error code
Meanings
Suggestion
Error: 101
1
Restart inverter, if problem still exist,
update the firmware
2
Change control board or COM board,
if problem still exist, contact Growatt.
、
、
；
Communication board has not
received data from control board
for 10 seconds.
Error: 103
EEPROM fault.
Restart inverter, if problem still exist,
Contact Growatt.
Error: 119
GFCI fault.
Restart inverter, if problem still exist,
Contact Growatt.
Fail to read EEPROM.
Error: 107
Restart inverter, if problem still exist,
Contact Growatt.
The AC voltage sampled by the
main MCU and redundant MCU is
not the same.
Error: 117
Relay fault.
Restart inverter, if problem still exist,
Contact Growatt.
Error: 121
Control board has not received
data from Communication board
for 5S.
1. ¡¢Restart inverter, if problem still
exist, update the firmware
2. Change control board or COM
board, if problem still exist, contact
Growatt.
；
Over Temperature
NTC OPEN or the temperature
of heatsink is too high.
If the ambient temperature of inverter
is lower than 60
, restart invert, if
error message still exists, contact
°
C
Warning104
Uptate the ight ersion irmware.
r
v
f
firmware version is not
consistent.
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