Error code reference

Samsung Refrigerator Error Code R-1 (R-DEF)

Fresh food compartment defrost part error

Fresh food compartment defrost part error - defrost heater housing separation, contact error, disconnection, short circuit, temperature fuse error, or defrosting does not finish within 80 minutes.

First step from the service manual

After separating MAIN PCB CN70/CN71, check resistance between CN70 White and CN71 Orange - shall be 102(441) ohm ±7%.

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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