Samsung AM032MNQDCH/AA Service Manual page 280

Troubleshooting
4-4-37 Outdoor Temperature Sensor Error
Outdoor unit display
Indoor unit display
Criteria ∙ Refer to the judgment method below.
Cause of problem ∙ Outdoor temperature sensor Open/Short is defective.
1. Cause of problem
Did the outside temperature
sensor connector break away
After separating the outdoor temperature sensor
connector from the PCB, measure the resistance value
between the terminals.
value significantly stray from the following
Restart operation after replace the PCB
4-80
( Operation ) × ( Reservation )
from the PCB?
Yes
Did the resistance
temperature table?
Yes
( Blast ) × ( Filter ) × ( Defrost )
No
Restart operation after connecting
the connector to the PCB.
Resistance value measure part
OUT
No
Replace this since it is the defective of
the outdoor temperature sensor itself.
OUT
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
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