Troubleshooting
Samsung Electronics
99
4-4-51 Suction Temperature sensor error (Open/Short)
1. Cause of problem
Did the connector for
the Outdoor Suction sensor break away
from the PCB?
Did the resistance
value significantly stray from the following
temperature table?
Separate the connector of the Outdoor Suction sensor
from the PCB and measure the resistance value
between the 2 terminals.
Restart operation after replace the PCB
Restart operation after connecting
the connector to PCB
Replace this part as it is the defective of the
Outdoor Suction 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
SUCT
SUCT
Outdoor unit display
Indoor unit display
Operation
Timer
Criteria
∙ Refer to the judgment method below.
Cause of problem
∙ Disconnection or breakdown of relevant sensor.
