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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 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.
What you need to provide the information about the SPH including:
9.1 System fault information list and troubleshooting suggestions
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
Warning Message
Error Message
Description
Suggestion
Warning401
Warning506
PairingTimeOut
Warning203
AC F Outrange
AC V Outrange
BMS COM Fault
Raillog/Meter
Communication
fault
Check the wire connection between meter
and inverter is good or not.
Check the distance of Raillog and inverter is
in the range of specification or not.
Restart inverter and Raillog, reconnect.
BAT NTC Open
Battery reversed
Battery Open
PV1 or PV2
Circuit short
Check the positive and negative of PV input
is reversed or not.
Reinserted the PV terminal, please contact
Growatt service center if restart can't solve
the problem.
Battery temperature
out of specified range
for charge or discharge
Grid voltage fault.
Please refer to the
local grid standard
for more details of
the grid frequency.
Check the AC voltage is in the range of
standard voltage in specification.
Check the grid connection is good or not.
Check the environment temperature of
battery is in the range of specification
or not.
Grid frequency fault.
Please refer to the
local grid standard for
more details for the
grid voltage.
Check the frequency is in the range of
specification or not.
Restart inverter.
Please contact Growatt service center if
restart can't solve the problem.
Communication fault
Check the distance of Raillog and inverter is
in the range of specification or not.
Restart inverter and Railog, reconnect.
Communication fault
Check the lithium Battery is open or not.
Check the connection of lithium Battery and
inverter is good or not.
Battery terminals
reversed
NTC open
(only for lead-acid
battery)
Battery terminal open
(only for lithium
battery)
Check the positive and negative of battery
is reversed or not.
Check the temperature of lead-acid battery
is installed or not.
Check the temperature of lead-acid battery
is connected well or not.
Check the battery connection is good or not.
Check the switches between the battery and
inverter are all on or not.
Over Load
UPS 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 UPS output.
Please confirm grid is lost or not.
Check the grid connection is good or not.
Check the switches on the cable are on or not.
No Utility
No AC
Connection
