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9
Trouble shooting
Our products are rigorously tested before production. If you have difficulty in the
installation process,
please visit www.ginverter.com to view the Q&A plan.
When SPA inverter fault happens, please inform our company, and to provide SPA series
related
information, we will have a professional after-sales service personnel to answer you.
What you need to provide the information about the SPA series including :
•Serial number
•Model
•Information about the LCD display
•Brief description of problems
•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.
•Serial number
•Capacity of battery.
•The time you buy battery and frequency you use it.
9.1 System fault information list and trouble shooting suggestions
Warning message
Error message
Description
Suggestion
Warning401
SP-CT/Meter
Communication fault.
1.Make sure the wire between
meter and inverter connect well.
2.Make sure the distance of SP-CT
and inverter is in the range of
specification.
Restart inverter and SP-CT,reconn-
ect.
Warning506
Battery temperature out of
specified range for charging
or discharging.
Make sure the environment
temperature of battery is in the
range of specification.
AC V Outrange
Grid voltage fault.
Please refer to the local grid
standard for more details of
the grid voltage.
1.Make sure AC voltage is in the
range of local standard.
2.Make sure the AC cable is well
connected.
AC F Outrange
Grid frequency fault.
Please refer to the local
grid standard for more
details for the grid
frequency.
1.Make sure the frequency is in the
range of local standard.
2.Restart inverter.
Please contact Growatt service
center if restart not work
PairingTimeOut
Communication fault
1.Make sure the distance of SP-CT
and inverter is in the range of
specification.
2 . R e s t a r t i n v e r t e r a n d S P - C T,
reconnect.
CT LN Reversed
LN Reversed
1.Make sure the L line and N line of
SP-CT is not reversed.
2.Make sure the PE of SP-CT is well
connected.
BMS COM Fault
Communication fault
1.Check the lithium Battery is open
or not.
2.Check the connection of lithium
Battery and SPA series is good or
not.
Battery reversed
Battery terminals reversed
Make sure the positive and negative
of battery is not reversed.
BAT NTC Open
NTC open
(only for lead-acid battery)
Make sure the temperature probe of
lead-acid battery is well installed.
Battery Open
Battery terminal open
(only for lithium battery
1.Make sure the battery is well
connected.
2.Make sure battery switch is turned
on.
3.Make sure the breaker between
the battery and inverter is on.
Over Load
E P S o u t p u t o v e r l o a d
warning.
Three times EPS Volt Low
w i l l c a u s e o v e r l o a d
warning .Off-grid function
will be locked one hour
and output power again.
Please reduce the load of EPS
output.
