Samsung AC052MNCDKH Service Manual page 50

4-4-2 Eva in and out sensor (open/short)
Wire remote controller display
Symptom
Failure
Is indoor temperature
sensor disconnected from the
connector in PCB?(CN413)
No
Remove the indoor temperature sensor
connector from the PCB and measure the
resistance between two terminals
In this case, is the resistance
value out of range in the temperature
table on the right?
No
Restart the system after replacing the PCB
4-16
E122, E123
Error of EVA-IN,EVA-OUT sensor in the indoor unit(Open/Short)
Short or leakage of the EVA sensor
Yes
Restart the system after connecting
to the PCB connector
Yes
EVA sensor failure (replace)
<Temperature sensor
resistance value>
Current
Resistance
temperature
(kΩ)
(°C)
70 2.229 ±3%
60 3.021 ±3%
50 4.160 ±3%
40 5.828 ±3%
30 8.313 ±3%
20 12.09 ±3%
10 17.95 ±3%
0 27.27 ±3%
-10 42.42 ±3%
-20 67.72 ±3%
-30 111.2 ±3%
Samsung Electronics