
Troubleshooting
Samsung Electronics
57
Y
es
)
.
t
n
o
c
(
)
5
7
4
E
,
8
5
4
E
(
r
o
r
r
e
n
a
F
Y
es
Y
es
No
No
Cont
.
E
xchange
I
NV
E
R
TE
R
PCB
E
xchange
the
F
AN
motor
I
s
the
Pin
v
o
l
tage
#6 - #
3
of
CN90
and
9
1
changed
high
(4-
5V)
and
l
ow
(
0
-1
V)
in
case
of
making
man
u
a
l
rotation
s
l
ow
l
y?
I
s
the
Pin
v
o
l
tage
#
7
- #
3
of
CN90
and
9
1 l
ow
(
0
-1
V)
in
norma
l
rotation?
E
xchange
I
NV
E
R
TE
R
PCB
RC160MHXGA_SM_E_34513A(1)_4.indd 57