Skip to main contentStart diagnosing F5 on your Samsung refrigerator
What this code means
Freezer Compartment defrosting heater error - wire cut, short-circuit, contact failure, missing sensor housing, or defective temperature fuse/bi-metal. Possible causes: Wire cut or short-circuit; Contact failure; Missing sensor housing; Defective temperature fuse/bi-metal; Temperature reading > 150°F or < -58°F
Next steps: diagnose the root cause
1
Verify the error code is active
Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.
2
Get the full diagnostic procedure
Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.
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What’s available for Samsung refrigerator models
Access Samsung refrigerator service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.