Error code reference

Samsung Refrigerator Error Code FF-DEF-Sensor Error

Fresh food defrost sensor error due to separation of sensor housing, contact error, disconnection, or short…

Fresh food defrost sensor error due to separation of sensor housing, contact error, disconnection, or short circuit; or detected temperature exceeds +149°F(+65°C) or below -58°F(-50°C).

First step from the service manual

Check voltage of MAIN PCB CN30-"8" to N76-"1"; shall be between 4.5V~1.0V.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
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