Samsung AR18CSFCMWKN - 4-6 Fault Diagnosis by Symptom; 4-6-1 Indoor

Troubleshooting
Samsung Electronics 4-41
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SAMSUNG PROPRIETARY. DO NOT COPY OR DISTRIBUTE WITHOUT PERMISSION
4-6 Fault Diagnosis by Symptom
4-6-1 Indoor
Indoor unit display
4Way
  
1Way   
Console   
Symptom 
Failure 
Yes
No
No
In this case, is the resistance
value out of range in the temperature
table on the right?
Yes
Is indoor temperature
sensor disconnected from the connector
in PCB?
Restart the system after
replacing the PCB
Restart the system after connecting
to the PCB connector
Indoor temperature sensor
failure (replace)
Remove the indoor temperature sensor
connector from the PCB and measure the
resistance between two terminals
4-6-1-1 Indoor temperature sensor (open/short)





40 5.800
35 6.900
30 8.300
25 10.00
20 12.10
15 14.70
10 18.00
5 22.00
0 28.30
-5 33.90
-10 42.30
<Temperature sensor
resistance value>