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

4-3-30 SUMP 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 SUMP sensor connector
dislocated from the PCB?
After separating the outdoor SUMP 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)
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 SUMP sensor, replace it.
Troubleshooting
Temperature
Resistance
(KΩ)
(°F) (°C)
266 130 8.9
248 120 11.2
212 100 18.5
176 80 32
140 60 59
77 25 200
68 20 242
50 10 362
32 0 553
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