Samsung AM032MNQDCH/AA Service Manual page 289

4-4-46 SUMP Temperature Sensor Error (OPEN/SHORT)
Outdoor Unit Display
(Operation) ×(Reservation)
Indoor Unit Display
∙ Refer to the judgment method below.
Judgment Method
∙ Disconnection or breakdown of relevant sensor
Special Cause
1. Inspection Method
Did the connector for the
outdoor SUMP sensor break away
from the PCB?
Separate the connector of the
outdoor SUMP 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
outdoor SUMP sensor itself.
Troubleshooting
Resistance (KΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
4-89