Samsung AC100JNCDEH/EU Service Manual page 41

Troubleshooting
4-3-2 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
4-14
All manuals and user guides at all-guides.com
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
Yes
EVA sensor failure (replace)
to the PCB connector
<Temperature sensor
resistance value>
Current
temperature
(°C)
70
60
50
40
30
20
10
0
-10
-20
-30
Resistance
(kΩ)
2.229 ±3%
3.021 ±3%
4.160 ±3%
5.828 ±3%
8.313 ±3%
12.09 ±3%
17.95 ±3%
27.27 ±3%
42.42 ±3%
67.72 ±3%
111.2 ±3%
Samsung Electronics