Error code reference

Samsung Refrigerator Error Code FZ-Sensor Error

Freezer compartment temperature sensor error due to separation of sensor housing, contact error…

Freezer compartment temperature sensor error due to separation of sensor housing, contact error, disconnection, or short circuit; detected when temperature reads above 149°F(+65°C) or below -58°F(-50°C).

First step from the service manual

Check voltage at MAIN PCB CN30-3 to N76-1; should be between 4.5V and 1.0V.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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