Troubleshooting
96
Samsung Electronics
1. Inspection Method
4-4-48 SUMP Temperature Sensor Error (OPEN/SHORT)
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
Outdoor unit display
Indoor unit display
(Operation) ×(Reservation) (Blast) ×(Filter) ×(Defrost)
Criteria
• Refer to the judgment method below.
Cause of problem
• Disconnection or breakdown of relevant sensor
