Samsung AVMKH020EA4 Service Manual page 192

11-2-2 Indoor unit EVAP IN sensor error (open / short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is separated the
indoor EVAP IN sensor
connecter from PCB?
Detach indoor EVAP IN sensor connecter
from PCB, and measure the resistance
value between the both terminals.
Is the resistance
value far from the
temperature table?
Restart after PCB exchange.
Samsung Electronics
x x x
(x x x : Indoor unit address occurred error)
(Operation) (Timer)
- Refer to the below judge method
- OPEN/SHORT error of x indoor unit EVAP IN sensor error(OPEN/SHORT)
No
No
(Fan) (Filter) (Removing frost)
Yes
Restart after connecting a connecter to PCB.
Yes
Replace the indoor EVAP IN sensor
because it is defect.
Troubleshooting
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
11-6