T
ro
u
b
l
eshootin
g
4-100
S
a
m
s
u
n
g
El
e
c
troni
c
s
1
.
I
nspe
c
tion
Method
4-4-56 Sump S
e
n
sor
E
rror
Du
e
to
P
rote
c
tio
n C
o
n
tro
l
No
I
s
the
sensor
c
onne
c
tor
proper
ly
c
onne
c
ted
to
P
CB?
I
s
the
sensor
disp
l
a
y
in
g
the
te
m
perat
u
re
nor
m
a
lly?
I
s
the
sensor
proper
ly
atta
c
hed
to
the
sensor
ho
l
der
b
e
l
o
w
the
c
o
m
pressor
?
R
e
f
er
to
the
so
lu
tion
m
ethod
f
or
the
l
i
qu
id
-
c
o
m
pression
pre
v
ention
error
(E477
).
R
e
-
c
onne
c
t
and
c
he
ck
the
c
onne
c
tor
.
Y
es
Y
es
Y
es
No
No
R
e
-
atta
c
h
and
c
he
ck
sensor
.
C
he
ck
b
y
re
f
errin
g
to
the
other
te
m
perat
u
re
sensor
pro
b
l
e
m
c
he
ck
-u
p
m
ethods
.
Outdoor Unit Display
Indoor Unit Display
×(O
peration
)
(
R
eser
v
ation
)
(Bl
ast
)
(F
i
l
ter
)
×(
De
f
rost
)
Judgment Method
t.BJOUBJOTVNQUFNQFSBUVSFPG¡$PSNPSFGPSGJWFNJOVUFT
Special Cause
t$PNQSFTTPSMPBEJOHGBVMUZTVNQUFNQFSBUVSFTFOTPSGBVMUZ
