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4-3-35 Double pipe temperature sensor error
Outdoor unit display
Indoor unit display
Criteria
• Refer to how to determine below
• Wire breaking or failure of the relevant sensor
Cause of problem
1. How to check
Is a liquid temperature sensor
connector dislocated from the PCB?
After separating the liquid temperature sensor
connector from the PCB, measure the resistance
value between both terminals.
Does the resistance
value greatly deviate from
the temperature table?
Restart after replacing the PCB.
Samsung Electronics
(Operation)
(Timer)
(Fan)
Yes
Yes
Yes
(Filter)
(Defrost)
No
Restart after connecting
the connector to the PCB.
Part to measure resistance value
No
As it is due to a problem with the liquid
temperature sensor, replace it.
Troubleshooting
Temperature
Resistance
(KΩ)
(°F)
(°C)
158
70
2.2
140
60
3.0
122
50
4.2
104
40
5.8
86
30
8.3
70
21
12.1
50
10
18.0
32
0
27.3
14
-10
43.0
4-73
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