Samsung AVXCSH022EE Service Manual page 199

4-5-49 Double-pipe temperature sensor error (OPEN/SHORT)
Outdoor Unit Display
Indoor Unit Display (Operation) ×(Reservation)
Judgment Method
Special Cause
1. Inspection Method
Did the connector for the
liquid pipe temperature sensor
break away from the PCB?
Separate the connector of the liquid pipe
temperature sensor from the PCB and measure
the resistance value between the two terminals.
Did the resistance value
significantly stray from the following
temperature table?
Restart operation after changing PCB
Samsung Electronics
(Blast) ×(Filter) ×(Defrost)
Yes
Resistance value measure part
Yes
No
Restart operation after connecting
the connector to PCB.
Temperature (°C)
70
60
50
40
30
20
10
0
-10
No
Change this part as it is the fault of the
liquid pipe temperature sensor itself.
Troubleshooting
Resistance (KΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
4-108