T
ro
u
b
l
eshooting
4-
5
6
S
ams
u
ng
El
ectronics
4-4-11 P
ro
bl
e
m w
it
h EEV cl
os
u
re
(
2
n
d
)
1
.
H
ow
to
diagnose
1
)
D
u
ring
C
oo
l
ing
operation
(E
ach
of
the
be
l
ow
conditions
ha
v
e
to
be
met
for
at
l
east
2
0
min
u
tes.)
2)
D
u
ring
heating
operation
(
m
u
st
satisf
y
a
ll
conditions
be
l
ow)
2)
t8IFONPSFUIBOJOEPPSVOJUTBSFPO5IFSNP0OIFBUJOHPQFSBUJPO
2)
t8IFOBWFSBHFIJHIQSFTTVSFJTPWFSLHDN
2
2)
tNJOVUFTBGUFSGJOJTIJOH4BGFUZ4UBSU
2)
t,FFQ*OEPPSVOJUTh5 &WB@*O5 3PPN$BOE5 &WB@0VU5 3PPN$DPOEJUJPOGPSNPSFUIBONJOVUFT
2.
H
ow
to
check
1
)
C
heck
if
the
wire
of
e
l
ectronic
e
x
pansion
v
a
lv
e
is
correct
ly
connected
to
the
P
CB
of
indoor
u
nit.
2)
C
heck
if
the
coi
l
of
e
l
ectronic
e
x
pansion
v
a
lv
e
is
correct
ly
p
lu
gged
into
the
main
bod
y
.
3)
C
heck
if
there
is
an
y
r
u
st
on
the
s
u
rface
of
the
e
l
ectronic
e
x
pansion
v
a
lv
e
with
naked
e
y
e
then
check
the
resistance
between
each
termina
l
to
find
an
y
wire
breaking
or
short
circ
u
it.
4
)
Press
the
R
ESET KEY (K
3)
of
the
o
u
tdoor
u
nit
then
see
if
the
same
error
occ
u
rs.
4
)
- I
n
case
of
c
l
os
u
re
prob
l
em
,
operate
the
indoor
u
nit
in
which
the
error
has
occ
u
rred.
4
)
- I
n
case
of
opening
prob
l
em
,
p
l
ease
do
not
operate
the
indoor
u
nit
in
which
the
error
has
occ
u
rred.
5)
I
f
there
is
no
prob
l
em
with
the
abo
v
e
check
u
p
items
,
rep
l
ace
the
e
l
ectronic
e
x
pansion
v
a
lv
e
of
the
tro
u
b
l
ed
indoor
u
nit.
4
)
- A
s
e
l
ectronic
e
x
pansion
v
a
lv
e
rep
l
acement
is
trick
y
work
that
re
qu
ires
co
ll
ecting
refrigerants
in
a
ll
s
y
stems
,
p
l
ease
check
the
abo
v
e
items
before
rep
l
acement.
T
cond
,
o
u
t
- T
air
,
o
u
t
>
3
°C
OK
T
air
,
in
- T
e
v
a
,
o
u
t
> 4°C
N
O
T
air
,
in
- T
e
v
a
,
o
u
t
> 4°C
N
O
C
ompressor
in
operation
&
I
ndoor
u
nit
operation
& T
hermo
O
n
OK
E
rror
detai
l
s
El
ectrica
lly
operated
v
a
lv
e
c
l
os
u
re
breakdown