Troubleshooting
Samsung Electronics12-40
■
Outdoor Temperature Sensor Error
Outdoor unit display
Indoor unit display (Operation) (Timer) (Fan) (Filter) (Defrost)
Judgment method Refer to the below judgment method
Causes Outdoor temperature sensor open/short defect
Is separated the outdoor
temperature sensor
connector from PCB?
Is the resistance value
far from the
temperature table?
Detach the outdoor temperature sensor
connector from PCB and measure the resistance
value between the both terminals.
Restart after replacing PCB.
Restart after connecting a connector to
PCB.
Replace the outdoor temperature sensor
because it is defect.
Yes
Yes
Yes
No
No
Temperature
(°C)
70
60
50
40
30
20
10
0
-10
Resistance
(KΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0