Error code reference

Samsung Refrigerator Error Code Freezer Defrosting Error

Freezer compartment defrosting operation did not finish after 120 minutes of continuous heating; may indicate…

Freezer compartment defrosting operation did not finish after 120 minutes of continuous heating; may indicate heater housing separation, contact error, disconnection, short circuit, or temperature fuse error.

First step from the service manual

Separate Main PCB CN70 wire, check resistance between CN70 pin 7 and pin 1. For 0 Ohm check heater short; for infinity Ohm check wire or temperature fuse open.

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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