Digital Compressor Discharge Temperature Sensor Error (Open/Short) - Samsung AM017HN1DEH/EU Service Manual

4-4-43 Digital Compressor Discharge Temperature Sensor Error (OPEN/SHORT)

Outdoor unit display
Indoor unit display
Criteria • Refer to the inspection method below,
Cause of problem • Digital compressor discharge temperature sensor OPEN/SHORT problem
1. Inspection Method
Did the connector for the
outdoor digital compressor discharge temperature
sensor break away from the PCB?
Separate the connector for the outdoor unit
discharge temperature sensor from the PCB,
and measure the resistance value between
Did the resistance value
significantly stray from the following
temperature table?
Restart operation after changing PCB.
Samsung Electronics
Yes
the 2 terminals.
Yes
No
Restart operation after connecting
the connector to PCB
Resistance value measure part
No
Change this part as it is the fault of
the discharge temperature sensor itself.
Troubleshooting
Temperature (°C) Resistance (KΩ)
130 8.9
120 11.2
100 18.5
80 32.0
60 59.0
25 200.0
20 242.0
10 362.0
0 553.0
367