Evi In Temperature Sensor Error (Open/Short) - Samsung AVXCSH023/032/040CE Service Manual

4-3-37 EVI IN 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 IN sensor connector
dislocated from the PCB?
After separating the EVI IN 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.
Samsung Electronics
(Operation) (Timer) (Fan)
Yes
Yes
Time does the
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 outdoor EVI IN 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
4-75