Self-Diagnosis By The Outdoor Unit Error Display - Samsung AVMKH020EA4 Service Manual

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
indoor room temperature sensor
connecter from PCB?
Detach indoor room temperature sensor
connecter from PCB, and measure the resis-
tance value between the both terminals.
Is the resistance
value far from the
temperature table?
Restart after PCB exchange.
11-5
x x x
(x x x : Indoor unit address occurred error)
(Operation) (Timer)
- Refer to the below judge method
- OPEN/SHORT defect of indoor temperature sensor
Is separated the
No
No
(Fan) (Filter) (Removing frost)
Yes
Restart after connecting a connecter to PCB.
Yes
Replace the indoor room temperature
sensor because it is defect.
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
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