Samsung mini DVM Series Service Manual page 452

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