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12-2-3 When the Up/Down Louver Motor Does Not Operate. (Initial Diagnosis)
1
.
C
h
e
c
kl
i
s
t
:
1
)
Is
in
pu
t
vol
t
age
n
ormal?
2)
Is
th
e Up/Dow
n
louver mo
2.
Troubles
h
oo
tin
g pro
c
edure
U
n
plug
plug
Is STD lamp bl
s
t
ar
o
f th
p
in
#
ch
p
in
#
2
~ #5 o
ch
Up/Dow
Samsu
n
g Ele
ct
ro
nic
s
t
or properly
c
o
nn
e
ct
ed w
th
e power
c
ord a
n
d
it
a
ft
er
30
se
c
o
n
ds
in
k
i n
g?
Yes
Does opera
ti
o
n
t
w
h
e
n
sw
in
g bu
tt
o
n
e remo
t
e
c
o
nt
rol u
nit
pus
h
ed?
No
Vol
t
age a
t
30
~#
3
4 o
f
m
ic
om
(
IC
0
4
)
a
n
ge?
(
Squarewave
)
Yes
Vol
t
age a
t
f
CN61
(
mo
t
or
c
o
nn
e
ct
or
)
a
n
ge?
(
Squarewave
)
Yes
n
louver mo
t
or
i
s
f
a ul
t
y
.
ith th
e
c
o
nn
e
ct
or
(
CN61
)
?
No
Yes
No
No
C
h
e
c
k as
in th
e pro
c
edure
No Power
.
Normal
M
ic
om
(
IC
0
4
) i
s
f
a ul
t
y
.
Dr
i
ver IC
0
5/
0
6
(
ULN
2003
A
) i
s
f
a ul
Troubleshooting
t
y
.
1
2
-4
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