Troubleshooting
Samsung Electronics
87
)
0
2
3
E
,
1
5
2
E
,
1
3
2
E
,
1
2
2
E
(
r
o
r
r
e
r
o
s
n
e
s
e
r
u
t
a
r
e
p
m
e
T
3
-
5
-
4
1. Check items
1) Is the sensor connected correctly (CN403 in MAIN PBA)?
2) Is the postion of sensor correct?
2. Check procedure
Is the connector connected
to match the color?
Yes
No
Connect the connector to match the color
Is the temperature sensor
connected properly without
fracture?
Yes
No
3) Does the value of resistance satisfy the each temperature condition?
Check the sensor cable and connector
Does the value of resistance
satisfy the each temperature
condition? (*)
Yes
No
Exchange the temperature sensor
Power on
Yes
Is the wire of sensor broken
or is there any poor contact?
Yes
No
the temperature sensor
CN43
in
MAIN PBA
Pin no.
Temp. sensor
Error
code
1,2
Outdoor
E221
3,4
Condenser
E231
5,6
Discharge
E251
7,8
OLP
E320
<Error code for each temperature sensor>
0
5
10
15
20
25
30
35
40
-10
-5
0
5
10
15
20
25
30
35
0
100
200
300
400
500
0
5
10
15
20
25
30
35
40
50
60
70
(kΩ)
(kΩ)
(°C)
(°C)
(*)Resistance value for temperature sensor
<outdoor, condenser temp. sensor>
<discharge, OLP temp. sensor>
ex) 10.17k
Ω at 25°C
ex) 205.4k
Ω at 21°C
