Error code reference

Samsung Refrigerator Error Code Refrigerator LOW

R1-Sensor (R-room left sensor) fault

R1-Sensor (R-room left 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 R-room left 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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