Samsung AE044MXTPEH Service Manual page 86

Troubleshooting
4-6-3
4 5 - 3 - e T m e p a r u t e r
1. Check items
1) Is the sensor connected correctly (CN403 in MAIN PBA)?
2) Is the postion of sensor correct?
3) Does the value of resistance satisfy the each temperature condition?
2. Check procedure
Is the connector connected
to match the color?
Is the temperature sensor
connected properly without
fracture?
Does the value of resistance
satisfy the each temperature
condition? (*)
Power on
Is the wire of sensor broken
or is there any poor contact?
80
e s s n r o r e o r ( r 2 E 1 2 E ,
<Error code for each temperature sensor>
Pin no.
CN43
1,2
in
3,4
MAIN PBA
5,6
7,8
Yes
Yes
Yes
Yes
Yes
3 2 , 1 2 E 1 5 E , 2 3 ) 0
Temp. sensor
Outdoor
Condenser
Discharge
OLP
No
No
No
(kΩ)
40
35
30
25
ex) 10.17k
20
15
10
5
0
-10 -5 0 5 10 15 20 25
<outdoor, condenser temp. sensor>
(*)Resistance value for temperature sensor
No
Error
code
E221
E231
E251
E320
Connect the connector to match the color
Check the sensor cable and connector
Exchange the temperature sensor
(kΩ)
500
400
300
Ω at 25°C
200
100
0
(°C)
30 35 0 5 10 15 20 25
<discharge, OLP temp. sensor>
the temperature sensor
Samsung Electronics
ex) 205.4k Ω at 21°C
(°C)
30 35 40 50 60 70