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

Troubleshooting

4-4-44 Constant Rate Compressor Discharge Temperature Sensor Error (OPEN/SHORT)

Outdoor unit display
Indoor unit display
Criteria • Refer to the inspection method below.
Cause of problem • Constant rate compressor discharge temperature sensor OPEN/SHORT problem
1. Inspection Method
Did the connector for
the outdoor constant rate compressor discharge
temperature sensor break away
Separate the connector for the outdoor constant
rate compressor 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.
368
(Compressor 2, Compressor 3)
,
from the PCB?
Yes
the 2 terminals.
Yes
No
Restart operation after connecting
the connector to PCB
Comp. 2 Comp. 3
No
Change this part as it is the fault of
the constant rate compressor discharge
temperature sensor itself.
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
Samsung Electronics