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Troubleshooting
4-3-38 EVI OUT Temperature Sensor error (Open/Short)
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 an outdoor EVI OUT sensor
connector dislocated from the PCB?
After separating the EVI OUT sensor
connector from the PCB, measure the
resistance value between both terminals.
resistance value greatly deviate from
the temperature table?
Restart after replacing the PCB
4-76
(Operation)
(Timer)
(Fan)
Yes
Part to measure resistance value
Yes
Time does the
Yes
(Filter)
(Defrost)
No
Restart after connecting
the connector to the PCB.
Temperature
(°F)
158
140
122
104
No
As it is due to a problem with
the outdoor EVI OUT sensor, replace it.
Resistance
(KΩ)
(°C)
70
2.2
60
3.0
50
4.2
40
5.8
86
30
8.3
70
21
12.1
50
10
18.0
32
0
27.3
14
-10
43.0
Samsung Electronics
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