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4-3-3 Indoor unit EVAP IN sensor Error (Open/Short)
Outdoor unit display
Indoor unit display
• Refer to how to determine below
Criteria
• The EVAP IN sensor of No. XXX indoor unit has defective OPEN/SHORT
Cause of problem
1. How to check
Is indoor EVAP IN sensor
connector separated from the PCB?
After separating indoor EVAP IN sensor
connector from the PCB, measure the resistance
values between both terminals
At that time,
is the resistance value significantly
deviated from the temp. table?
Re-start after replacing PCB.
Samsung Electronics
x x x ( x x x : The address of the error occurred indoor unit)
(Operation)
(Timer)
(Fan)
Yes
Ex) Room temp. 79°F/26°C – Resistance 10.93KΩ
Yes
Yes
(Filter)
(Defrost)
No
Re-start after connecting
the connector to the PCB.
No
As it is due to an indoor EVAP IN sensor
defect, 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
4-41
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