Error code reference

Samsung Refrigerator Error Code I/M-SENSOR (R)

Ice Maker Sensor Error (Fridge side on Twin I/M units)

Ice Maker Sensor Error (Fridge side on Twin I/M units) - open or short-circuit, connector failure, or temperature reading > 122°F or < -58°F.

First step from the service manual

Check voltage at MAIN PCB Sensor 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
  • Verified part numbers when replacement is required
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