Error code reference

Samsung Refrigerator Error Code Mid (Freezer)

FD-Sensor failure (freezer defrost sensor)

FD-Sensor failure (freezer defrost sensor) - F-Sensor temperature is over +50°C or below -50°C, indicating housing disconnection, faulty connection, wire open/short, or faulty sensor.

First step from the service manual

Check F-room defrost sensor housing connection, wire continuity, and sensor integrity.

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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