Discharge Temperature Sensor Error (Open/Short) - Samsung AVXCSH023/032/040CE Service Manual

4-4-22 Discharge Temperature Sensor error (Open/Short)

Outdoor unit display
Indoor unit display
• Refer to how to determine below
Criteria
• Discharge temperature sensor OPEN/SHORT defective
Cause of problem
1. How to check
It a discharge temperature
sensor connector dislocated from the PCB.
After separating the discharge
temperature sensor connector from the PCB,
measure the resistance value between
both terminals.
Does the resistance value
greatly deviate from the
temperature table?
Restart after replacing the PCB.
Samsung Electronics
(Operation) ×(Timer) (Fan) ×(Filter) ×(Defrost)
Yes
Yes
Yes
No
Restart after connecting the connector to
the PCB
Part to measure resistance value
No
As it is due to a problem with the
discharge temperature sensor, replace it.
Troubleshooting
Temperature Resistance
(°C) (KΩ)
130 8.9
120 11.2
100 18.5
80 32
60 59
25 200
20 242
10 362
0 553
4-116