Warning Message
Error Message Description Suggestion
Warn
ing
401
SP-CT/Meter
Communication fault
1.Check the wire connection between
meter and inverter is good or not.
2.Check the distance of SP
-
CT and inverter
is in the range of specification or not.
3.Restart inverter andSP -
-CT, reconnect.
Warning 203 PV1 or PV2 Circuit short
1.Check the positive and negative of PV
input is reversed or not.
2.Reinserted the PV terminal , please
contact Growatt service center if restart
can’t solve the problem.
Warning 506
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 inverte
r.
3.Please contact Growatt service center if
restart can’t solve the problem.
PairingTimeOut Communication fault
1.Check the distance of SP
-
CT and inverter
is in the range of specification or not.
2.Restart inverter and SP
-
CT, reconnect.
CT LN Reversed LN Reversed
1.Check the L line and N line of SP
-
CT is
reversed or not.
2.Check the PE of SP
-
CT is connected well
or not.
BMS COM Fault Communication fault
1.Check the lithium Battery is open or not.
2.Check the connection of lithium Battery
and inverter i
s good or not.
Battery
reversed
Battery terminals reversed
Check the positive and negative of battery
is reversed or not.
51
52
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 SPH inverter fault happens, please inform our company, and to provide SPH
related information, we will have a professional after-sales service personnel to
answer you.
serial number
Model
Information about the LCD display
Brief description of problems
The battery voltage
The PV input voltage and power per string.
The grid voltage and frequency
Can you retell the failure problem? If you can, what kind of a situation
Did the problem happen in the past?
When did this fault happen? First installation?
About the battery
The manufacturer name and model of battery
Capacity of battery
Output voltage of the battery
The time you buy Battery and frequency you use it
What you need to provide the information about the SPH including :
9.1 System fault information list and troubleshooting suggestions
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