Fault Diagnosis By Symptom; Indoor Temperature Sensor (Open/Short); Troubleshooting - Samsung AR07TSFABWKN Service Manual

Multi air conditioner
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4-6-1 Indoor
Indoor unit display
Symptom
Failure
Is indoor temperature
sensor disconnected from the connector
in PCB?
No
connector from the PCB and measure the
resistance between two terminals
In this case, is the resistance
table on the right?
No
Restart the system after
replacing the PCB
Samsung Electronics
X (Operation)
X (Operation)
In case of open or short circuit of indoor temperature sensor
Short or leakage of the corresponding sensor
(Reservation) X (Fan) X (Filter)
Yes
Restart the system after connecting
to the PCB connector
Yes
Indoor temperature sensor
failure (replace)

Troubleshooting

<Temperature sensor
Current
Resistance
temperature
(°C)
40
5.800
35
6.900
30
8.300
25
10.00
20
12.10
15
14.70
10
18.00
5
22.00
0
28.30
-5
33.90
-10
42.30
4-27

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