Samsung AVXC1H022 series Service Manual page 277

Troubleshooting
I Indoor Unit EVAP OUT Sensor Error (Open/Short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is separated the indoor EVAP OUT
sensor connector from PCB?
Detach the indoor EVAP OUT
connector from PCB and measure the resistance
value between the both terminals.
Restart after replacing PCB.
9-33
↔ A*** (***: Indoor unit address which an error is occurred)
(Operation)
Refer to the below Judgment Method
Open/Short error of the no. *** indoor unit EVAP OUT sensor
Yes
Yes
Is the resistance value
far from the
temperature table?
Yes
(Timer) (Fan) (Filter)
No
Restart after connecting a
connector to PCB.
No
Replace the indoor EVAP OUT sensor
because it is defect.
(Defrost)
Temperature Resistance
(°C) (KΩ)
70 2.2
60 3.0
50 4.2
40 5.8
30 8.3
20 12.1
10 18.0
0 27.3
-10 43.0
Samsung Electronics