Growatt SPH-UP Series User Manual

Error Message
Description
Suggestion
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.contact Growatt service center if restart
can't solve the problem.
PairingTimeO
ut
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 is good or not.
Battery
reversed
Battery terminals
reversed
1.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.
1.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.
Error Message
Description
Suggestion
Bat Voltage
High
Battery Voltage higher
than 60V
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 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.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.
EPS Volt Low
EPS output voltage
low
1.Check the load of EPS. If overload occurred,
reduce load.
2.Restart inverter again.
Error Message
Error Message
Description
Suggestion
Error 411
Internal
communication failed
1.Restart inverter.
2.Please contact Growatt service center if
restart can't solve the problem.
Error 417
Sample fault
1.Restart inverter.
2.Please contact Growatt service center if
restart can't solve the problem.
Error 418
DSP and COM
firmware 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.Check the L line and N line is reversed or not.
2.Check the PE s connected well or not.
Error 405
Relay fault
1.Restart inverter.
2.Please contact Growatt service center if
restart can't solve the problem.
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Growatt SPH-UP Series Specifications

General

Type	Hybrid Inverter
Protection Rating	IP65
Number of MPPTs	2
AC Voltage Range	180-280V
THDi	<3%
AC Grid Frequency	50/60Hz
Communication Interfaces	Wi-Fi, RS485, USB
Nominal AC Voltage	230 V
Operating Temperature Range	-25°C to +60°C
Cooling Method	Natural Cooling