T
ro
ubl
eshooting
S
ams
u
ng
El
ectronics
4-2
7
4-3-12 External Sensor Error (Error Code: E221, E231, E251, E320)
1
.
T
est
I
tem
1
)
Chec
k
the
connection
of
the
temperat
u
re
sensor
connector.
2
)
Chec
k
the
resistance
v
a
lu
e
of
the
temperat
u
re
sensor.
2
.
Chec
k
proced
u
re
E
rror
Code
Description
E221
E
rror
of
the
temperat
u
re
sensor
of
the
o
u
tdoor
u
nit
E2
3
1
E
rror
of
the
COND.
sensor
of
the
o
u
tdoor
u
nit
E2
5
1
E
rror
of
the
discharge
sensor
of
the
o
u
tdoor
u
nit
E
3
2
0
E
rror
of
the
O
L
P
sensor
of
the
o
u
tdoor
u
nit
Power
O
FF
I
s
the
temperat
u
re
sensor
connector
reconnected
?
No
Y
es
Y
es
Rep
l
ace
the
temperat
u
re
sensor
,
ױ
Power
ON.
ױ
After
confirming
the
state
is
norma
l,
end
the
ser
v
ice.
No
I
s
the
temperat
u
re
sensor
-
meas
u
ring
resistance
simi
l
ar
to
the
ta
bl
e
on
the
l
eft
?
After
confirming
the
state
is
norma
l,
end
the
ser
v
ice.
No
Y
es
Rep
l
ace
the
o
u
tdoor
u
nit
PBA.
ױ
Power
is
on.
ױ
After
confirming
the
state
is
norma
l,
end
the
ser
v
ice.
(Ex
amp
l
e)
COND.
sensor
/
o
u
tdoor
u
nit
temperat
u
re
sensor
meas
u
ring
resistance
v
a
lu
e
b
y
temperat
u
re
: E2
3
1, E221
(Ex
amp
l
e)
O
L
P
sensor
/
discharge
temperat
u
re
sensor
meas
u
ring
resistance
v
a
lu
e
b
y
temperat
u
re
: E
3
2
0
, E2
5
1
.
C
u
rrent
temperat
u
re
(°
C)
Resistance
(KΩ
)
C
u
rrent
temperat
u
re
(°
C)
Resistance
(KΩ
)
70
4
2
0
1
0
6
0
5
1
0
2
0
50
6
0
30
4
0
7
-1
0
4
0
30
8
C
u
rrent
temperat
u
re
(°
C)
Resistance
(KΩ
)
C
u
rrent
temperat
u
re
(°
C)
Resistance
(KΩ
)
80
4
0
30
1
80
70
50
2
0
22
0
6
0
6
0
1
0
3
2
0
50
90
0
550
4
0
11
0
I
s
the
temperat
u
re
sensor
connector
connected
?
e.g.)
Room
temperat
u
re
: 26
ఁ
-
Resistance
: 1
0.
2
8
KΩ
e.g.)
Room
temperat
u
re
: 21
ఁ͑
-
Resistance
: 2
05.
4 KΩ
Does
the
same
error
occ
u
r
again
after
power
is
on
?
