Sa
m
s
u
n
g
El
ec
troni
c
s
2
8
6
T
e
st
Op
e
r
a
tion
5) Ball valve (service valve)
∙
W
h
a
t
to
insp
ec
t
:
S
t
a
t
u
s
o
f
th
e
o
u
t
d
oor
u
nit
'
s
ba
ll v
a
lv
e
(
s
e
r
v
i
ce
v
a
lv
e
)
∙
E
rror
c
o
de
: E
5
03
(“
N
G”
is
in
d
i
ca
t
ed
in
th
e
r
e
s
u
l
t
r
e
port
)
∙
H
o
w
to
de
t
e
r
m
in
e
e
rror
:
Ch
ec
k
th
e
v
a
ri
a
tions
o
f
th
e
op
e
r
a
tion
f
r
e
q
ue
n
c
y
a
n
d
pr
e
ss
u
r
e
on
th
e
c
o
m
pr
e
ssors
du
rin
g
op
e
r
a
tion
.
∙
P
e
r
f
or
m
insp
ec
tion
acc
or
d
in
g
to
th
e
st
e
ps
sho
w
n
be
l
o
w
.
Ŷ
P
r
ecau
tions
-
If
a
n
e
rror
o
ccu
rs
,
A
u
to
T
ri
a
l
Op
e
r
a
tion
stops
i
mm
ed
i
a
t
e
ly
.
- W
h
e
n
insp
ec
tin
g
th
e
ba
ll v
a
lv
e
,
insp
ec
t
th
e
l
i
q
u
i
d
l
in
e
,
ga
s
l
in
e
,
a
n
d
hi
g
h
pr
e
ss
u
r
e
l
in
e
(HR
on
ly)
to
ge
th
e
r
.
-
S
ym
pto
m
s
in
th
e
e
v
e
nt
o
f
a
n
iss
ue
on
th
e
4-w
a
y v
a
lv
e
A
.
A
b
nor
m
a
l
nois
e
du
rin
g
c
o
m
pr
e
ssor
op
e
r
a
tion
B
.
I
n
c
r
ea
s
e
in
th
e
s
uc
tion
t
e
m
p
e
r
a
t
u
r
e
C
.
See
th
e
tro
ub
l
e
shootin
g
instr
uc
tions
on
N
G
it
e
m
s
r
e
l
a
t
ed
to
th
e
4-w
a
y v
a
lv
e
-
S
ym
pto
m
s
in
th
e
e
v
e
nt
o
f
a
n
iss
ue
on
th
e
M
a
in
EE
V
A
.
I
t
is
not
possi
b
l
e
to
c
ontro
l
th
e
s
u
p
e
rh
ea
t
(
S
H)
B
.
I
t
is
not
possi
b
l
e
to
s
ecu
r
e
a
D
S
H
o
f
hi
g
h
e
r
th
a
n
20
K
C
.
See
th
e
tro
ub
l
e
shootin
g
instr
uc
tions
on
N
G
it
e
m
s
r
e
l
a
t
ed
to
th
e
M
a
in
EE
V
-
If
a
n
y
ab
nor
m
a
l
it
y
o
ccu
rs
on
th
e
pr
e
ss
u
r
e
s
e
nsor
,
s
ee
th
e
tro
ub
l
e
shootin
g
instr
uc
tions
on
N
G
it
e
m
s
r
e
l
a
t
ed
to
th
e
pr
e
ss
u
r
e
s
e
nsor
-
If
th
e
r
e
f
rost
h
a
s
f
or
m
ed
on
th
e
o
u
t
d
oor
h
ea
t
e
x
c
h
a
n
ge
r
,
p
e
r
f
or
m T
ri
a
l
Op
e
r
a
tion
or
f
or
ced
def
rost
op
e
r
a
tion
to
e
l
i
m
in
a
t
e
th
e
f
rost
,
a
n
d
th
e
n
p
e
r
f
or
m
A
u
to
T
ri
a
l
Op
e
r
a
tion
aga
in
.
- T
o
r
e
p
l
ace
a
c
o
m
pon
e
nt
or
insp
ec
t
th
e
P
BA
,
be
s
u
r
e
to
cu
t
o
ff
th
e
po
w
e
r
s
u
pp
ly
f
irst
.
If
insp
ec
tion
m
u
st
be
p
e
r
f
or
m
ed
w
ith
th
e
po
w
e
r
s
u
pp
ly
on
,
e
x
e
r
c
is
e
e
x
tr
a
ca
r
e
to
pr
e
v
e
nt
e
l
ec
tri
c
sho
c
k
.
T
a
k
e
c
orr
ec
ti
v
e
m
ea
s
u
r
e
s
.
T
a
k
e
c
orr
ec
ti
v
e
m
ea
s
u
r
e
s
.
T
a
k
e
c
orr
ec
ti
v
e
m
ea
s
u
r
e
s
.
T
a
k
e
c
orr
ec
ti
v
e
m
ea
s
u
r
e
s
.
I
s
th
e
ba
ll v
a
lv
e
on
th
e
o
u
t
d
oor
u
nit
op
e
n
ed
?
H
a
s
th
e
c
orr
ec
t
a
m
o
u
nt
o
f
add
ition
a
l
r
ef
ri
ge
r
a
nt
bee
n
in
j
ec
t
ed
into
th
e
in
d
oor
u
nit
a
n
d
l
i
q
u
i
d
l
in
e
?
I
s
th
e
op
e
r
a
tion
c
y
c
l
e
nor
m
a
l?
Ar
e
th
e
4-w
a
y v
a
lv
e
,
M
a
in
EE
V
a
n
d
pr
e
ss
u
r
e
s
e
nsors
op
e
r
a
tin
g
prop
e
r
ly?
P
e
r
f
or
m T
ri
a
l
Op
e
r
a
tion
(
c
oo
l
in
g
/
h
ea
tin
g
)
-
See
th
e
instr
uc
tions
on
K
e
y
op
e
r
a
tion
m
o
de
s
.
P
e
r
f
or
m
A
u
to
T
ri
a
l
Op
e
r
a
tion
aga
in
.
Y
e
s
N
o
N
o
N
o
N
o
9-1 Auto Trial Operation
(
c
ont
.
)
9-1-3 How to resolve NG items
(
c
ont
.
)
Summary of Contents for AM038KXWDCH
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