22
9 Trouble Shooting
Table 9-1 FAQ
Please refer to the table below to deal with common faults：
Phenomenon
Possible Cause
Solution
The
in
d
i
cat
or
d
oes
no
t fla
sh
The
p
o
w
er
cabl
e
o
f t
he
batt
er
y pack
is
no
t
p
ro
p
er
ly c
onne
ct
e
d.
R
e
c
onne
ct t
he
p
o
w
er
cabl
e
o
f t
he
batt
er
y pack
The
p
o
w
er
s
w
i
tc
h
is
o
ff.
T
u
rn
on
t
he
p
o
w
er
s
w
i
tc
h
.
The
BMS
is
in
a
s
l
ee
p
s
tat
e
.
C
h
a
r
g
e
t
he
batt
er
y pack
BMS
is
damag
e
d.
R
e
plac
e
BMS.
U
n
abl
e
t
o
d
is
c
h
a
r
g
e
The
t
er
m
in
al
o
f t
he
batt
er
y pack
i
s
damag
e
d.
R
e
plac
e
t
he
batt
er
y pack w
irin
g t
er
m
in
al
s
.
BMS c
o
mmu
ni
cat
ion
fa
i
lu
re
.
R
e
c
onne
ct t
he
c
o
mmu
ni
cat
ion
l
ine
b
e
tw
een
t
he
BMS
a
n
d t
he
batt
er
y pack. If t
he
c
o
mmu
ni
cat
ion
cabl
e
is
damag
e
d,
re
plac
e
t
he
c
o
mmu
ni
cat
ion
cabl
e
.
The
p
o
w
er
s
w
i
tc
h
is
o
ff.
T
u
rn
on
t
he
p
o
w
er
s
w
i
tc
h
.
U
n
abl
e
t
o
c
h
a
r
g
e
The
c
h
a
r
g
er
is
malfu
n
ct
ionin
g.
R
e
plac
e
t
h
e c
h
a
r
g
e
r.
The
t
er
m
in
al
o
f t
he
batt
er
y pack
is
damag
e
d.
R
e
plac
e
t
he
batt
er
y pack w
irin
g t
er
m
in
al
s
.
BMS c
o
mmu
ni
cat
ion
fa
i
lu
re
.
R
e
c
onne
ct t
he
c
o
mmu
ni
cat
ion
l
ine
b
e
tw
een
t
he
BMS
and the battery pack. If the communication cable is
damag
e
d,
re
plac
e
t
he
c
o
mmu
ni
cat
ion
cabl
e
.
The
p
o
w
er
s
w
i
tc
h
is
o
ff.
T
u
rn
on
t
he
p
o
w
er
s
w
i
tc
h
.
C
o
mmu
ni
cat
ion
fa
i
l
The
p
o
w
er
s
w
i
tc
h
is
o
ff.
T
u
rn
on
t
he
p
o
w
er
s
w
i
tc
h
.
The
BMS
is
in
a
s
l
ee
p
s
tatu
s
.
C
h
a
r
g
e
t
he
batt
er
y pack
The
c
o
mmu
ni
cat
ion
cabl
e
i
s damag
e
.
R
e
plac
e
t
he
ne
tw
or
k cabl
e
.
I
n
accu
r
at
e
v
o
ltag
e
d
is
play
The
v
o
ltag
e
s
ampl
in
g l
ine
is
damag
e
d.
R
e
plac
e
t
he
v
o
ltag
e
s
ampl
in
g cable.
BMS
is
damag
e
d.
R
e
plac
e
BMS.
L
o
w capac
i
ty
The
batt
er
y pack
h
a
s
no
t b
een
ma
in
ta
ine
d
f
or
a l
on
g t
i
m
e
.
U
se
a
n
e
qual
izer
t
o
ma
in
ta
in
t
he
batt
er
y pack.
The
sin
gl
e
batt
er
y
is
damag
e
d.
R
e
plac
e
t
he
damag
e
d
sin
gl
e
batt
er
y.
I
n
accu
r
at
e
v
o
ltag
e
s
ampl
in
g.
R
e
plac
e
t
he
e
l
e
ct
ri
cal
s
ampl
in
g l
ine
or
re
plac
e
t
he
BMS.
L
o
w c
e
ll
v
o
ltag
e
The
batt
er
y pack
h
a
s
no
t b
een
ma
in
ta
ine
d
f
or
a l
on
g t
i
m
e
.
U
se
a
n
e
qual
izer
t
o
ma
in
ta
in
t
he
batt
er
y pack
The
sin
gl
e
batt
er
y
is
damag
e
d.
I
n
accu
r
at
e
v
o
ltag
e
s
ampl
in
g.
R
e
plac
e
t
he
damag
e
d
sin
gl
e
batt
er
y.
R
e
plac
e
t
he
e
l
e
ct
ri
cal
s
ampl
in
g l
ine
or
re
plac
e
t
he
BMS.