T
ro
u
b
l
eshooting
4-48
S
ams
u
ng
El
ectronics
4-4-
3
In
door
Un
it
R
OO
M
se
n
sor
E
rror
(
O
p
e
n/Sh
ort
)
1
.
H
ow
to
check
x x x (x x x : T
he
address
of
the
error
occ
u
rred
indoor
u
nit)
×(O
peration)
◑
(T
imer)
×(F
an)
×(F
i
l
ter)
×(
Defrost)
t
T
he
room
temperat
u
re
sensor
of
No.
XXX
indoor
u
nit
has
defecti
v
e
O
P
E
N
/SHO
R
T
t
Refer
to
how
to
determine
be
l
ow
Outdoor unit display
Indoor unit display
Criteria
Cause of problem
Y
es
Y
es
I
s
indoor
room
temperat
u
re
sensor
connector
dis
l
ocated
?
A
t
that
time
,
is
the
resistance
v
a
lu
e
significant
ly
de
v
iated
from
the
temp.
tab
l
e
?
A
fter
separating
indoor
room
temperat
u
re
sensor
connector
from
P
CB,
meas
u
re
the
resistance
v
a
lu
es
between
both
termina
l
s
Re
-
start
after
rep
l
acing
P
CB
.
Re
-
start
after
connecting
the
connector
to
the
P
CB
.
A
s
it
is
d
u
e
to
an
indoor
oom
temperat
u
re
sensor
defect
,
rep
l
ace
it.
Y
es
No
No
Ex
)
Room
temp.
2
6°C –
Resistance
0
.
9
2
6KΩ
T
e
mp
erat
u
re
(°C)
R
esista
nc
e
(KΩ)
70
60
5
0
40
3
0
2
1
10
0
-10
2.2
3.
0
4
.2
5.
8
8
.3
1
2.
1
18
.
0
2
7
.3
4
3.
0
