Temperature Sensor Error (E221, E231, E251, E320 ) - Samsung AEX160EDEHA Service Manual

4-5-3 Temperature sensor error (E221, E231, E251, E320)
1. Check items
1) Is the sensor connected correctly (CN43 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 wire of sensor broken
or is there any poor contact?
Samsung Electronics
RC160MHXGA_SM_E_34513A(1)_4.indd 55
<Error code for each temperature sensor>
Yes
Is the temperature sensor
connected properly without
fracture?
Yes
Does the value of resistance
satisfy the each temperature
condition? (*)
Yes
Power on
Yes
Yes
No
Connect the connector to match the color
No
Check the sensor cable and connector
No
40
35
30
25
ex) 10.17k
20
15
10
5
0
-10 -5 0 5 10 15 20 25 30 35
<outdoor, condenser temp. sensor>
(*)Resistance value for temperature sensor
No
Troubleshooting
Exchange the temperature sensor
500
400
300
ex) 205.4k
200
100
0
0 5 10 15 20 25 30 35 40 50 60 70
<discharge, OLP temp. sensor>
the temperature sensor
55