Error code reference

Samsung Refrigerator Error Code R

FZ-Sensor Error

FZ-Sensor Error - Sensor housing separation, contact error, disconnection, or short circuit. Displays when detected temperature is more than 149°F or less than -58°F.

First step from the service manual

Measure voltage at CN30-Pin 4 to CN76-Pin 1; should read 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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