Troubleshooting
Samsung Electronics12-42
■
Constant Speed 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 Constant speed compressor discharge temperature sensor open/short defect
Is separated the outdoor
constant speed compressor Discharge
temperature sensor
connector from PCB?
Is the resistance value far from the
temperature table?
Detach outdoor constant speed compressor
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 constant speed
compressor discharge 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
( )