T
ro
u
b
l
eshootin
g
4-98
S
a
m
s
u
n
g
El
e
c
troni
c
s
4-4-54
:
C
o
mp
.
D
o
wn
d
u
e
to
H
i
gh P
ress
u
re
P
rote
c
tio
n C
o
n
tro
l
I
ndoor
u
nit
disp
l
a
y
C
a
u
se
o
f
pro
b
l
e
m
×(O
peration
)
ስ
(
R
eser
v
ation
)
ስ
(Bl
ast
)
ስ
(F
i
l
ter
)
×(
De
f
rost
)
<C
oo
l
i
ng
O
p
eratio
n>
∙ Ou
tdoor
u
nit
f
an
m
otor
pro
b
l
e
m
(
c
onstrained
,
de
f
e
c
ti
v
e
)
∙
Motor
dri
v
er
de
f
e
c
ti
v
e
or
w
ire
is
c
u
t
∙ Ou
tdoor
heat
e
x
c
han
g
er
is
c
onta
m
inated
.
∙ S
er
v
i
c
e
v
a
lv
e
l
o
ck
ed
/F
i
ll
re
f
ri
g
erant
<H
eati
ng
O
p
eratio
n>
∙ Ou
tdoor
u
nit
f
an
m
otor
pro
b
l
e
m
(
c
onstrained
,
de
f
e
c
ti
v
e
)
∙
Motor
dri
v
er
de
f
e
c
ti
v
e
or
w
ire
is
c
u
t
∙ S
er
v
i
c
e
v
a
lv
e
l
o
ck
ed
/Ex
c
essi
v
e
re
f
ri
g
erant
Ju
d
g
m
ent
Method
V
a
lu
e
o
f
t
h
e
h
i
gh p
ress
u
re
se
n
sor
is
dete
c
ted
at
4
0
kg/cm²
or
m
ore
Ou
tdoor
u
nit
disp
l
a
y
I
s
the
S-
net
esti
m
ated
v
a
lu
e
and
the
Mani
f
o
l
d
G
a
u
g
e
v
a
lu
e
in
ran
g
e
?
A
re
the
I
ndoor
U
nit
and
Ou
tdoor
U
nit
EEV
nor
m
a
lly
operatin
g
?
A
re
there
an
y
b
l
o
ck
a
g
e
inside
the
pipe
? (
f
i
l
ter
et
c.)
C
he
ck
the
re
f
ri
g
erant
a
m
o
u
nt
.
A
re
the
Ou
tdoor
F
an
operatin
g
nor
m
a
lly
f
or
the
c
oo
l
in
g
and
the
I
ndoor
F
an
operatin
g
nor
m
a
lly
f
or
the
heatin
g
?
C
o
mm
issionin
g
O
pen
the
S
er
v
i
c
e
V
a
lv
e
R
ep
l
a
c
e
H
i
g
h
Press
u
re
sensor
C
he
ck
the
re
l
e
v
ant
EEV
Pipe
inspe
c
tion
R
ep
l
a
c
e
re
l
e
v
ant
c
o
m
ponent
(
m
otor
or
f
an
)
Y
es
Y
es
Y
es
No
Y
es
A
re
a
ll
ser
v
i
c
e
v
a
lv
es
open
?
C
onne
c
t
S-
net
and
Mani
f
o
l
d
G
a
u
g
e
.
(
essentia
l
re
qu
ire
m
ent
)
No
No
No
Y
es
No
1
.
C
a
u
se
o
f
pro
b
l
e
m
