Error code reference

Samsung Refrigerator Error Code AF

AUTO FILL Infuser overflow error

AUTO FILL Infuser overflow error - voltage at MAIN PCB CN90-"11" to "13" reads 0V~4.5V indicating water overflow.

First step from the service manual

Check voltage of MAIN PCB CN90-"11" to "13"; 0V~4.5V indicates overflow, 4.5V~5V is normal.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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