Troubleshooting
Samsung Electronics
4-89
1. Inspection Method
4-4-46 SUMP Temperature Sensor Error (OPEN/SHORT)
(Operation) ×(Reservation)
(Blast) ×(Filter) ×(Defrost)
∙ Disconnection or breakdown of relevant sensor
∙ Refer to the judgment method below.
Indoor Unit Display
Judgment Method
Special Cause
Outdoor Unit Display
Did the connector for the
outdoor SUMP sensor break away
from the PCB?
Did the resistance value
significantly stray from the following
temperature table?
Separate the connector of the
outdoor SUMP sensor from the PCB, and measure
the resistance value between the two terminals.
Restart operation after changing PCB.
Restart operation after connecting
the connector to PCB
Change this part as it is the fault of the
outdoor SUMP sensor itself.
No
No
Yes
Yes
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
Resistance value measure part
