Sump Temperature Sensor Error (Open/Short) - Samsung AM007FN1DCH/AA Service Manual

Troubleshooting

4-4-46 SUMP Temperature Sensor Error (OPEN/SHORT)

Outdoor Unit Display
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
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.
4-80
(Operation) ×(Reservation)
from the PCB?
Yes
Yes
(Blast) ×(Filter) ×(Defrost)
No
Restart operation after connecting
the connector to PCB
Resistance value measure part
No
Change this part as it is the fault of the
outdoor SUMP sensor itself.
Temperature (°C) Resistance (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