Suction-2 Temperature Sensor Error (Open/Short) - Samsung AM009FN1DCH/AA Service Manual

4-4-53 Suction-2 Temperature Sensor Error (OPEN/SHORT)

Outdoor Unit Display
Indoor Unit Display
Judgment Method
Special Cause
1. Inspection Method
Did the connector for the
Suction-2 sensor break away from the PCB?
Separate the connector of the Suction-2 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
(Operation) ×(Reservation)
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 Suction-2 sensor itself.
Troubleshooting
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
4-79