Samsung AJ024TXJ3CH - 4-6 Fault Diagnosis by Symptom; 4-6-1 Indoor

Troubleshooting
Samsung Electronics 4-27
ߥࣗߧɇЇϩUɇ˝ͱϑϑɵцƊцΧϩͱ
4-6-1 Indoor
Indoor unit display
X (Operation) ࣍Uʪ˙θͱϑϩ࣎ǹ࣍Ɵʪθ࣎ǹ࣍ϩʪθ࣎
X (Operation) ǹ࣍Uʪ˙θͱϑϩ࣎ (Reservation) X (Fan) X (Filter)
Symptom
In case of open or short circuit of indoor temperature sensor
Failure
Short or leakage of the corresponding sensor
Yes
No
No
In this case, is the resistance
ЭɇЇʪͱЇϩͱ˙θɇ˝ʪϩ˵ʪϩʪΧʪθɇϩЇθʪ
table on the right?
Yes
Is indoor temperature
sensor disconnected from the connector
in PCB?
Restart the system after
replacing the PCB
Restart the system after connecting
to the PCB connector
Indoor temperature sensor
failure (replace)
ŵʪͱЭʪϩ˵ʪʒͱͱθϩʪΧʪθɇϩЇθʪϑʪϑͱθ
connector from the PCB and measure the
resistance between two terminals
ߥࣗߧࣗߢࣗߢÃʒͱͱθϩʪΧʪθɇϩЇθʪϑʪϑͱθ࣍ͱΧʪࢥϑ˵ͱθϩ࣎
Current
temperature
(°C)
Resistance
࣍ץ࣎
40 5.800
35 6.900
30 8.300
25 10.00
20 12.10
15 14.70
10 18.00
5 22.00
028.30
-5 33.90
-10 42.30
<Temperature sensor
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