Samsung AVXC1H022 series Service Manual page 287

Troubleshooting
I Dual-pipe Temperature Sensor Error (Open/Short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is separated the dual-pipe temperature
sensor connector from PCB?
Detach the dual-pipe temperature sensor
connector from PCB and measure the resistance
value between the both terminals.
9-43
(Operation)
Refer to the below judgment method
Open or short of the corresponding sensor
Yes
Yes
Is the resistance value far
from the
temperature table?
Yes
Restart after replacing PCB.
(Timer) (Fan) (Filter)
No
Restart after connecting a connector
to PCB.
No
Replace the dual-pipe temperature sensor
because it is defect.
(Defrost)
Temperature Resistance
(°C) (KΩ)
70 2.2
60 3.0
50 4.2
40 5.8
30 8.3
20 12.1
10 18.0
0 27.3
-10 43.0
Samsung Electronics