Samsung AVMKH020EA4 Service Manual page 200

11-2-10 Outdoor temperature sensor error
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is separated the
outdoor temperature sensor connecter
Detach the outdoor temperature sensor
connecter from PCB,
and measure the resistance value
between the both terminals.
Is the resistance
value far from the temperature
Restart after PCB exchange.
Samsung Electronics
(Operation) (Timer)
- When opening or shorting of outdoor temperature sensor
- Open or short of the corresponding sensor
from PCB?
No
table?
No
(Fan) (Filter) (Removing frost)
Yes
Restart after connecting a connecter to PCB.
Yes
Replace the outdoor temperature 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
11-14