Error code reference

Samsung Refrigerator Error Code FZ-Sensor

Freezer sensor error due to separation of sensor housing, contact error, disconnection, or short circuit…

Freezer sensor error due to separation of sensor housing, contact error, disconnection, or short circuit; temperature detected is more than 149°F or less than -58°F.

First step from the service manual

Check 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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