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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
th
plug
it
a
Is STD lamp bl
Does opera
s
t
ar
t
w
h
o
f th
e remo
Vol
p
in
#
30
~#
ch
a
n
ge?
Vol
p
in
#
2
~ #5 o
f
CN61
ch
a
n
ge?
Up/Dow
n
louver mo
Samsu
n
g Ele
ct
ro
nic
s
All manuals and user guides at all-guides.com
t
or properly
c
o
nn
e
ct
ed w
ith th
e
e power
c
ord a
n
d
ft
er
30
se
c
o
n
ds
in
k
i n
g?
Yes
ti
o
n
e
n
sw
in
g bu
tt
o
n
t
e
c
o
nt
rol u
nit
pus
h
ed?
No
t
age a
t
3
4 o
f
m
ic
om
(
IC
0
4
)
(
Squarewave
)
Yes
t
age a
t
(
mo
t
or
c
o
nn
e
ct
or
)
(
Squarewave
)
Yes
t
or
i
s
f
a ul
t
y
.
c
o
nn
e
ct
or
(
CN61
)
?
No
C
h
e
c
k as
Yes
No
M
ic
om
No
Dr
i
ver IC
0
5/
0
Troubleshooting
in th
e pro
c
edure
No Power
.
Normal
(
IC
0
4
) i
s
f
a ul
t
y
.
6
(
ULN
2003
A
) i
s
f
a ul
t
y
.
1
2
-4
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