T
ro
u
b
l
eshootin
g
S
a
m
s
u
n
g
El
e
c
troni
c
s
4-1
25
4-4-8
2
H
a
ll IC(F
a
n)
error
Ou
tdoor
u
nit
disp
l
a
y
(FA
N
P
CB(FA
N
1
))
(FA
N
P
CB(FA
N2
))
Ju
d
g
m
ent
Method
∙ F
an
rotation
de
f
e
c
ti
v
e
or
v
i
b
ration
and
noise
o
f
the
de
f
e
c
ti
v
e
operation
.
∙ H
a
ll IC
there
is
no
si
g
na
l
inp
u
t
.
C
a
u
se
o
f
pro
b
-
l
e
m
∙ C
onne
c
tion
stat
u
s
error
.
∙ H
a
ll IC
w
ire
dis
c
onne
c
tion
.
∙
De
f
e
c
ti
v
e
c
ir
c
u
it
parts
and
de
f
e
c
ti
v
e
m
an
u
f
a
c
t
u
rin
g.
∙ F
an
Motor
de
f
e
c
ti
v
e
.
1
.
C
a
u
se
o
f
pro
b
l
e
m
R
ep
l
a
c
e
F
an
P
CB
R
estart
W
hen
the
error
is
repeated
,
rep
l
a
c
e
the
F
an
Motor
.
E
nd
o
f
S
er
v
i
c
e
No
Y
es
Y
es
Did
the
error
o
cc
u
rs
?
C
he
ck
the
c
onne
c
tin
g
w
ire
and
restart
it
.
No
Y
es
C
onne
c
tion
w
ire
o
f
HALL IC
did
c
on
f
ir
m
ation
?
(V
eri
f
y
that
the
w
ire
f
o
l
ded
,
or
the
c
onne
c
tion
is
deta
c
hed
.)
C
he
ck
the
c
onne
c
tin
g
w
ire
and
restart
it
.
No
Y
es
HALL IC
on
the
P
CB
is
c
onne
c
ted
c
orre
c
t
ly?
Po
w
er
O
ff
/
Po
w
er
R
estart
