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

Troubleshooting

4-3-34 SUCTION Temperature Sensor error (Open/Short)

Outdoor unit display
Indoor unit display
• Refer to how to determine below
Criteria
• Wire breaking or failure of the relevant sensor
Cause of problem
1. How to check
Is an outdoor SUCTION sensor
connector dislocated from the PCB?
After separating the outdoor SUCTION 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.
4-72
(Operation) (Timer) (Fan)
Yes
Yes
Yes
(Filter) (Defrost)
No
Restart after connecting
the connector to the PCB.
Part to measure resistance value
No
As it is due to a problem with
the outdoor SUCTION sensor, replace it.
Temperature
Resistance
(KΩ)
(°F) (°C)
158 70 2.2
140 60 3.0
122 50 4.2
104 40 5.8
86 30 8.3
70 21 12.1
50 10 18.0
32 0 27.3
14 -10 43.0
Samsung Electronics