Troubleshooting
12-41Samsung Electronics
■
Digital Compressor Discharge Temperature Sensor Error (Open/Short)
Outdoor unit display
Indoor unit display (Operation) (Timer) (Fan) (Filter) (Defrost)
Judgment method Refer to the below judgment method
Causes Digital compressor discharge temperature sensor open/short defect
Is separated the outdoor
Discharge temperature sensor
connector from PCB?
Is the resistance value
far from the
temperature table?
Detach the outdoor discharge temperature
sensor connector from PCB and measure the
resistance value between the both terminals.
Restart after replacing PCB.
Restart after connecting a
connector to PCB.
Replace the outdoor heat exchanger
temperature sensor because it is defect.
Yes
Yes
Yes
No
No
Temperature
(°C)
130
120
100
80
60
25
20
10
0
-10
Resistance
(KΩ)
8.9
11.2
18.5
32
59
200
242
362
553
Temperature
(°C)
130
120
100
80
60
25
20
10
0
-10
Resistance
(KΩ)
2.6
3.4
5.8
10.8
21
86
107
171
280
475
MUF-0601 Another model
(model used PWM compressor)
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