
T
r
o
ubl
esh
oo
ting
4-24
S
a
ms
u
ng
El
ectr
o
nics
8IFOUIFPVUEPPSVOJUQPXFSJTOPU0/o*OJUJBM%JBHOPTJT "$+923))"$+923)$
QIBTFQSPEVDUT
1
.
T
est
I
tem
1
)
Chec
k
the
p
o
wer
s
u
pp
l
y
o
f
the
o
u
t
doo
r
u
nit
.
2
)
Chec
k
the
wh
o
l
e
c
o
nnecti
o
n
p
a
rt
o
f
the
p
o
wer
s
u
pp
l
y
.
3)
Chec
k
the
p
o
wer
o
n
the
in
doo
r
u
nit
.
4
)
Chec
k
the
c
o
nnecti
o
n
o
f
the
p
o
wer
s
u
pp
l
y
o
f
the
termin
a
l bl
o
c
k
.
5)
Chec
k
the
c
o
nnecti
o
n
o
f
the
p
o
wer
s
u
pp
l
y
b
etween
the
M
a
in
׳
E
M
I
P
B
A
o
f
the
o
u
t
doo
r
u
nit
.
6
)
C
o
nnect
the
p
o
wer
s
u
pp
l
y
.
(
Ne
v
er
f
o
rget
t
o
t
u
rn
o
ff
the
p
o
wer
o
f
the
termin
a
l b
o
x
)
.
7
)
Chec
k
the
p
o
wer
s
u
pp
l
y
p
a
rts
.
(
Chec
k
a
fter
t
u
rning
o
ff
the
p
o
wer
o
f
the
termin
a
l b
o
x!
)
8)
Chec
k
e
v
erything
is
n
o
rm
a
l
a
fter
sep
a
r
a
ting
the
f
a
n
m
o
t
o
r
c
o
nnect
o
r
a
n
d
resetting
the
p
o
wer
.
(S
ep
a
r
a
te
the
c
o
nnect
o
r
a
fter
t
u
rning
o
ff
the
p
o
wer
o
f
the
termin
a
l b
o
x!
W
hen
d
et
a
ching
a
n
d
a
tt
a
ching
the
c
o
nnect
o
r
d
u
ring
p
o
wer
s
u
pp
l
y
,
the
m
o
t
o
r
c
a
n
b
e
da
m
a
ge
d.
)
2
.
Chec
k
pr
o
ce
d
u
re
Y
es
Y
es
Y
es
3
0
sec
o
n
d
s
a
fter
t
u
rning
o
ff
the
m
a
in
p
o
wer
switch
(b
re
a
k
er
o
r
p
o
wer
s
o
c
k
et)
,
t
u
rn
o
n
the
p
o
wer
.
Chec
k
a
ll
p
o
wer
s
u
pp
l
y
c
o
nnecti
o
ns
.
1
.
Chec
k
the
p
o
wer
o
f
the
termin
a
l b
o
x,
3
-
ph
a
se
e
l
ectric
p
o
wer
,
a
n
d
wire
a
ssem
bl
ing
.
2
.
I
f
the
c
o
nnecti
o
n
is
m
ad
e
in
the
p
o
wer
l
ines
(
e
x
tensi
o
n
o
f
the
p
o
wer
l
ine)
,
chec
k
whether
the
l
ines
a
re
firm
l
y
c
o
nnecte
d.
3
.
Chec
k
the
circ
u
it
b
re
a
k
er
d
u
e
t
o
o
v
er
-
c
u
rrent
,
o
r
l
e
a
k
a
ge
.
Chec
k
whether
se
v
er
a
l u
nits
a
re
c
o
nnecte
d
t
o
o
ne
b
re
a
k
er
.
Chec
k
the
c
o
nnecti
o
n
o
f
the
p
o
wer
l
ine
o
f
the
termin
a
l bl
o
c
k
.
1
.
Chec
k
wires
a
re
c
o
rrect
l
y
c
o
nnecte
d
b
y
referring
t
o
the
e
l
ectric
a
l
circ
u
it
.
C
o
nnect
the
p
o
wer
l
ine
(F
irst
t
u
rn
o
ff
the
p
o
wer
o
f
the
termin
a
l b
o
x!
)
1
.
C
o
nnect
the
p
o
wer
s
u
pp
l
y
.
2
.
Tu
rn
o
n
the
termin
a
l b
o
x
a
n
d
chec
k
whether
n
o
rm
a
l
p
o
wer
is
s
u
pp
l
ie
d
t
o
the
o
u
t
doo
r
u
nit
.
N
o
N
o
N
o
Chec
k
the
p
o
wer
s
u
pp
l
y
o
f
the
o
u
t
doo
r
u
nit
.
1
.
I
s
the
l
ine
v
o
l
t
a
ge
38
0
V
a
c
? (Y
es)
L1(
R)
׳
L2(S
)
, L2(S
)
׳
L
3
(T
)
, L1(
R)
׳
L
3
(T
)
2
.
I
s
the
ph
a
se
v
o
l
t
a
ge
t
o
the
ne
u
tr
a
l
l
ine
22
0
V
a
c
?
(Y
es)
L1(
R)
/L2(S
)
/L
3
(T
)
׳
N
Chec
k
the
p
o
wer
t
o
the
in
doo
r
u
nit
.
1
.
I
s
the
l
ine
v
o
l
t
a
ge
22
0
V
a
c
?
(Y
es)
1(L
)
׳
2(
N)
Chec
k
the
c
o
nnecti
o
n
o
f
the
p
o
wer
s
u
pp
l
y
b
etween
M
a
in
׳
E
M
I
P
B
A
.
1
.
I
s
there
a
f
a
ul
t
in
the
c
o
nnecti
o
n
o
f
the
p
o
wer
s
u
pp
l
y
t
o
M
a
in
P
B
A
a
n
d
E
M
I
P
B
A
?
∙
7
-
segment
o
ff
.
∙
C
o
n
d
u
ct
the
f
o
ll
o
wing
test
if
the
m
od
e
is
n
o
t
ec
o
m
od
e
(
p
o
wer
s
a
v
ing
m
od
e)
:
C
o
ntin
u
e
d