Samsung Refrigerators2010–present

Error Code AUTO-FILL-OVF

Water overflowing in auto fill system

Moderate

Address soon - your appliance may not work properly

Also displayed as: AUTO-FILL-OVF LED blinks

What This Means

Water supply line blockage causing backup; Overflow sensor malfunction; Float valve stuck

What actually causes this:

Water line kinked or blocked causing backup

First Thing to Check

Check if water dispenser is blocked or line kinked

Parts Involved

Auto Fill SystemOverflow Sensor

How to Fix

  1. 1

    Check MAIN PCB CN90-11 to CN90-13 voltage

  2. 2

    0V-4.5V = overflow, 4.5V-5V = normal

  3. 3

    Check water inlet for blockage

This Error Applies To

Samsung RF28R7201 Series Refrigerators (2010) (2010–present)

Service manual exact match: RF28R7201AAService manual exact match: RF28R7201SA

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