40
Fault diagnosis and solutions
Bat UnderTem
p
24
Battery temperature is
lower than the allowed
value
(1) Check the ambient temperature near the
battery to see if it meets the specifications.
BMS comm.fail
27
Communication between
lithium battery and inverter
is abnormal.
(1) Check the cable, crystal, Line sequence.
(2) Checking the Battery switch.
Fan fail
28
Fan fail
(1) Check whether the Inverter temperature is
abnormal.
(2) Check whether the fan runs properly.( If
you can see it)
Grid Phase error
30
The power grid phase
sequence is incorrectly
connected.
(1) Check power grid wiring
Arc Fault
31
PV Arc Fault
(1) Check Photovoltaic panels, PV wire.
(2) Contact customer service if error warning
continues.
Bus soft fail
32
The inverter may be
damaged
(1) Restart the inverter and wait until it
functions
normally.
(2) Contact customer service if error warning
continues.
Inv soft fail
33
BUS short
34
Inv short
35
Fan fault
36
Fan fault.
(1) Check whether the Inverter temperature is
abnormal.
(2) Check whether the fan runs properly.( If
you can see it)
PV iso low
37
PV Low insulation
impedance.
(1) Check if the PE line is connected to the
inverter and is connected to the ground.
(2) Contact customer service if error warning
continues.
PV iso low
38
The inverter may be
damaged.
(1) Restart the inverter and wait until it
functions normally.
(2) Contact customer service if error warning
continues.
PV iso low
39
PV iso low
40
PV iso low
41
PV iso low
44
PV iso low
45
PV iso low
46
PV iso low
47
Note: If an error occurs that is not listed in the table, Please Contact customer service.
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