Samsung Electronics11-5
11-2 Self-diagnosis by the outdoor unit error display
11-2-1 Indoor unit room temp. sensor error (open / short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
(x x x : Indoor unit address occurred error)
(Operation) (Timer) (Fan) (Filter) (Removing
fros
t)
- Refer to the below judge method
- OPEN/SHORT defect of indoor temperature sensor
x x x
Is separated the
indoor room temperature sensor
connecter from PCB?
Is the resistance
value far from the
temperature table?
Detach indoor room temperature sensor
connecter from PCB, and measure the resis-
tance value between the both terminals.
Restart after PCB exchange.
Restart after connecting a connecter to PCB.
Replace the indoor room temperature
sensor because it is defect.
Temperature
(˚C)
70
60
50
40
30
20
10
0
-10
Resistance
(kΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
Yes
Yes
No
No
24103A(1)_2 12/23/05 12:57 PM Page 6-62
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