Error code reference

Samsung Refrigerator Error Code FZ-DEF-HEATER Error

Defrost system in freezer compartment has error (heater separation, contact error, disconnection, short circuit, or temperature fuse error).

SourceSamsung Refrigerator - Troubleshooting Guide: Diagnostics & Test Mode (RFG293HARSXAA)p. 55-57

Samsung codes Samsung refrigerator codes

Diagnostic procedure

The full FZ-DEF-HEATER Error procedure

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MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

With MAIN PCB CN70 and CN71 disconnected, measure resistance between CN70 White and CN71 Orange; should be 63 (230) ohm ±7%.

SourceSamsung Refrigerator - Troubleshooting Guide: Diagnostics & Test Mode (RFG293HARSXAA)p. 55-57

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

1 manual in the MyPros+ library documents this code for Samsung refrigerator.

Models covered by the manuals that document this code

RFG293HARSXAA

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The full FZ-DEF-HEATER Error procedure

Where this code is documented

Models covered by the manuals that document this code

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