47
48
No AC Connection
No Utility
1.Please confirm grid is lost or not.
2.Make sure the grid connection well.
3.Make sure the breakers on grid side
are on
Output High DCI
Output DC current too
high.
Please refer to the local
grid standard for
disconnection time
when the output DC
current is too high.
1.Restart SPA series.
2.Please contact Growatt service
center if restart can't solve the
problem.
Bat Voltage High
Battery Voltage higher
than 60V.
1.Make sure the battery voltage is in
the range of specification or not.
2.Make sure the battery connection is
well
3.Check if battery is really higher
than 60V. please disconnect the
connection of battery and check
inverter.
Bat Voltage Low
Battery Voltage Lower
than 42 V
1.Check the real voltage of battery.
2.Make sure the wire between
battery and inverter well connected.
BMS Warning:XXX
BMS report warning
1.Check the warning information
from lithium battery user manual.
2.Please contact Growatt service
center if restart can't solve the
problem.
BMS Error:XXX
BMS report error
1.Check the warning information
from lithium battery user manual.
2. Please contact Growatt service
center if restart can't solve the
problem.
EPS Volt Low
EPS output voltage low
1.Check the load of EPS. If overload
occurred at the same time, reduce
EPS load.
2. Restart inverter again.
Error message
Error message
Description
Suggestion
Error 411
I n t e r n a l c o m m u n i c a t i o n
failed
1.Restart SPA series.
2.Please contact Growatt service
center if restart can't solve the
problem.
Error 417
Sample fault
1.Restart SPA series.
2.Please contact Growatt service
center if restart can't solve the
problem.
Error 418
D S P a n d C O M f i r m w a re
version
unmatch, system fault.
1.Read DSP and COM firmware
version from LCD or shinebus.
2.Check if the firmware is correct.
Error 303
Inverter L N reversed or
ground
failed
1.Make sure the L line and N line is
not reversed.
2 . M a k e s u re t h e P E i s w e l l
connected.
Error 405
Relay fault
1.Restart SPA series.
2.Please contact Growatt service
center if restart can't solve the
problem.
Error 407
Autotest failed(only in Italy)
1.Restart SPA series.
2.Please contact Growatt service
center if restart can't solve the
problem.
OP Short Fault
EPS Output Short Fault
1.Check the load of EPS.
2 . C h e c k t h e o u t p u t o f E P S .
Especial not connect to Grid.
NTC Open
Internal NTC fault
Please contact Growatt service
center.
Error 406
Model set up not meet with
certification
Please check model set or check
the DIP setting.
Error 408
Temperature over range
Please check the temperature is in
the range of specification or not.
Table 9.1
