Samsung RF263 Series - FZ-Defrost Sensor Error

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Error-code : 4 E
FZ-Defrost Sensor Error
Block
① After disassemble the EVAP COVER and inspect
Wire Open
② Measure the Liner CONNECTOR DC voltage
- Normal : DC 1.2V(100℉) ~ 4.0V(-13℉)
- Failure : DC 1.3V ↓,4V↑  Inspect the bottom WIRE
CONNECTOR
① Inspect the Main PBA CN30
No.5(ORG)+
PBA “GND” marked area
and DC voltage measuring
- Normal : DC 1.2V(100℉)
~ 4.0V(-13℉)
- Failure : DC 1.3V ↓,4V↑
Main PBA
CN 30
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