4-2
8
S
ams
u
ng
El
ectronics
Y
es
No
No
I
n
this
case
,
is
the
resistance
v
a
lu
e
o
u
t
of
range
in
the
temperat
u
re
tab
l
e
on
the
right
?
Y
es
I
s
the
indoor
heat
e
x
changer
temperat
u
re
sensor
connector
disconnected
from
the
PCB
?
Restart
the
system
after
rep
l
acing
the
PCB
Restart
the
system
after
connecting
the
connector
to
PCB
F
ai
lu
re
of
the
indoor
heat
e
x
changer
temperat
u
re
sensor
(
rep
l
ace)
Remo
v
e
the
indoor
heat
e
x
changer
temperat
u
re
sensor
connector
from
the
PCB
and
meas
u
re
the
resistance
between
two
termina
l
s
Indoor unit display
4
way
(
Operation)
(
Defrost)
X (T
imer)
X (F
i
l
ter)
1
way
(
Operation)
X (
Defrost)
(
Reser
v
ation)
X
(F
an)
X (F
i
l
ter)
Symptom
S
hort
or
open
circ
u
it
of
indoor
heat
e
x
changer
temperat
u
re
sensor
Failure
S
hort
or
open
circ
u
it
in
the
corresponding
sensor
4-4-2 Indoor heat exchanger temperature sensor (open/short) (E122)
C
u
rrent
temperat
u
re
(
°C)
Resistance
(kΩ
)
4
0
5.800
35
6
.900
30
8.300
2
5
1
0.00
2
0
12
.
1
0
1
5
14
.70
1
0
1
8.00
5
22
.00
0
2
8.30
-
5
33.90
-1
0
42
.30
<Temperature sensor
resistance value>