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9 Fault removal
Our products are carried out with strict tests before they take out, if the operation
difficulties in the process of installation, please log on to www.ginverter.com website,
view the Q&A program.
When SPA inverter fault happens, please inform our company, and to provide SPA related
information, we will have a professional after-sales service personnel to answer you.
What you need to provide the information about the SPA including:
Ø
Serial number.
Ø
Model.
Ø
Information about the LCD display.
Ø
Brief description of problems.
Ø
The battery voltage.
Ø
The grid voltage and frequency.
Ø
Can you retell the failure problem? If you can, what kind of a situation.
Ø
Did the problem happen in the past?
Ø
When did this fault happen? First installation?
About the battery:
Ø
The manufacturer name and model of battery.
Ø
Capacity of battery.
Ø
Output voltage of the battery.
Ø
The time you buy Battery and frequency you use it.
9.1 System fault information list and troubleshooting
suggestions
Warning Message
Error message
Description
Suggestion
Warning401
Meter Communication fault
Check the wire connection between
meter and inverter is good or not.
Warning506
Battery temperature out of
specified range for charge or
discharge
Check the environment temperature
of battery is in the range of
specification or not.
AC V Outrange
Grid voltage fault.
Please refer to the local grid
standard for more details of the
grid frequency.
1.Check the AC voltage is in the
range of standard voltage in
specification.
2.Check the grid connection is good
or not.
AC F Outrange
Grid frequency fault.
Please refer to the local grid
standard for more details for
the grid voltage.
1.Check the frequency is in the range
of specification or not.
2.Restart inverter.
3.Please contact Growatt service
center if restart can't solve the
problem.
BMS COM Fault Communication fault
1.Check the lithium Battery is open
or not.
2.Check the connection of lithium
Battery and inverter is good or not.
Battery reversed Battery terminals reversed
Check the positive and negative of
battery is reversed or not.
BAT NTC Open
NTC open
(only for lead-acid battery)
1.Check the temperature of lead-
acid battery is installed or not.
2.Check the temperature of lead-
acid battery is connected well or not.
Battery Open
Battery terminal open
(only for lithium battery)
1.Check the battery connection is
good or not.
2.Check the switches between the
battery and inverter are all on or not.
Over load
EPS output overload warning.
If this warning occurred three
time. Off-grid function will be
locked one hour and output
power again.
Please reduce the load of EPS output.
No AC
Connection
No Utility
1.Please confirm grid is lost or not.
2.Check the grid connection is good
or not.
3.Check the switches on the cable
are on or not.
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 inverter.
2.Please contact Growatt service
center if restart can't solve the
problem.
Bat Voltage High Battery Voltage higher than
560V
1.Check the voltage of battery is in
the range of specification or not.
2.Check the battery connection is
right or not If battery is really higher
than 560V. Please disconnect the
connection of battery and check
inverter.
Bat Voltage Low
Battery Voltage Lower than
100 V
1.Check the real voltage of battery.
2.Check the wire of battery and
inverter is good or not.
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.
