47
48
9.3 Inverter warning
Warning code
Meanings
Suggestion
Warning103
Restart the inverter. If the warning still
exist, please contact customer service to
replace the COM board.
Warning 105
Fail to write EEPROM.
Restart the inverter. If the warning still
exist, please contact our customer service
to replace the COM board.
9.4 Inverter fault
Error code
Meanings
Suggestion
Fail to read EEPROM.
Warning104
Uptate
the
r
ight
v
ersion
f
irmware.
firmware
version
is
not
consistent.
Error: 101
Restart inverter, if problem still exist,
update the firmware
;
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: 117
Relay fault.
Restart inverter, if problem still exist,
Contact Growatt.
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: 116
Bus sample fault
Restart inverter, if problem still exist,
Contact Growatt.
Warning 109
Warning 108
PV 1 or PV2 Circuit short
PV 1 or PV2 boost broken
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.
Error: 103
EEPROM fault.
Restart inverter, if problem still exist,
Contact Growatt.
Error: 121
Control board has not received
data from Communication board
for 5S.
Restart inverter, if problem still exist,
update the firmware
;
Change control board or COM
board, if problem still exist, contact
Growatt.
Error: 120
Current unbalance
Restart inverter, if problem still exist,
change power board, or contact
Growatt.
Error: 122
Bus over voltage
Restart inverter, if problem still exist,
Contact Growatt.
Error: 119
GFCI fault.
Restart inverter, if problem still exist,
Contact Growatt.
Error: 127
Output High DCI
Restart inverter, if problem still exist,
Contact Growatt.
Error: 131
Over Temperature
If the ambient temperature of
inverter is lower than 60°C, restart
inverter, if error message still exists,
contact Growatt.