T
ro
u
b
l
eshootin
g
4-9
2
S
a
m
s
u
n
g
El
e
c
troni
c
s
4-4-48 L
o
w P
ress
u
re
se
n
sor
error
(
O
p
e
n/Sh
ort
)
ስ
(O
peration
)
ስ
(
R
eser
v
ation
)
ስ
(Bl
ast
)
×(F
i
l
ter
)
×(
De
f
rost
)
∙
Dis
c
onne
c
tion
or
b
rea
k
do
w
n
o
f
re
l
e
v
ant
sensor
.
∙
R
e
f
er
to
the
ju
d
g
m
ent
m
ethod
b
e
l
o
w.
I
ndoor
u
nit
disp
l
a
y
Ju
d
g
m
ent
Method
C
a
u
se
o
f
pro
b
l
e
m
Ou
tdoor
u
nit
disp
l
a
y
1
.
L
o
w
Press
u
re
sensor
O
pen
/S
hort
error
deter
m
ination
m
ethod
1
)
I
denti
f
ies
f
ro
m
w
hen
po
w
er
is
s
u
pp
l
ied
or
2
m
in
u
tes
a
f
ter
R
ESET,
and
on
ly
w
hen
set
is
stopped
.
2
)
A
n
O
pen
/S
hort
error
w
i
ll
o
cc
u
r
i
f
the
inp
u
t
v
o
l
ta
g
e
standard
ran
g
e
o
f
0
.
5
V
~
4
.
9
5
V
is
e
x
c
eeded
.
2
.
I
nspe
c
tion
Method
R
ep
l
a
c
e
L
o
w
Press
u
re
sensor
P
l
ease
re
-
inspe
c
t
a
f
ter
c
onne
c
tin
g
the
c
onne
c
tor
to
the
P
CB
No
Y
es
Did
the
L
o
w
Press
u
re
sensor
c
onne
c
tor
g
et
dis
c
onne
c
ted
f
ro
m
the
P
CB?
R
e
f
i
ll
re
f
ri
g
erant
a
f
ter
v
a
c
uu
m
No
Y
es
I
s
there
re
f
ri
g
erant
inside
the
set
?
(
P
l
ease
c
he
ck
b
y
c
onne
c
tin
g
the
m
en
u
f
o
l
der
g
a
u
g
e
to
the
ser
v
i
c
e
v
a
lv
e
)
R
ep
l
a
c
e
P
CB
No
Y
es
Ou
t
o
f
the
P
CB L
o
w
Press
u
re
sensor
ter
m
ina
l
s
,
is
there
v
o
l
ta
g
e
b
et
w
een
pins
3
and
4
5
V?
T
he
ف
m
ar
k
is
the
1
st
pin
on
the
P
CB
.
