Error code reference

Samsung Refrigerator Error Code Freezer LOW

Air-Sensor (outer sensor) fault

Air-Sensor (outer sensor) fault — sensor temperature reading 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 outer sensor housing connection, wiring for open or short, 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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