Error code reference

Samsung Refrigerator Error Code AUTO FILL Infuser Overflow Error

AutoFill water pitcher overflow sensor has detected water overflow.

AutoFill water pitcher overflow sensor has detected water overflow.

First step from the service manual

Check voltage of MAIN PCB CN90-"11" ↔ "13"; 0V~4.5V = water overflow, 4.5V~5V = no problem.

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
  • Verified part numbers when replacement is required
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