If the light still fails to reset, call a professional to service the filtration system. Most likely there is a short in the wires between the filter and the control console.
A Samsung refrigerator has a filter indicator light to inform you when it is time to change the water filter. The light starts out in a blue color, indicating a fresh filter. The light changes to purple once the filter is five months old. When the light turns red, the filter requires changing. Once you replace the filter with a new one, the indicator light should revert back to a blue light. If the red filter indicator on your Samsung refrigerator won't turn off, there is a way to force the reset.
Open the refrigerator door and ensure that the filter is installed correctly. The filter should fully seat inside the housing in the bottom right of the refrigerator. Turn the old filter 90 degrees counterclockwise and remove it. Then install the new one in place, turning it 90 degrees clockwise. If the filter does not seat fully, the indicator does not recognize a new filter.
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Find the "Child Lock" and "Ice Type" push buttons on the control panel, if the red indicator light remains illuminated.
Press and hold both buttons at the same time for three seconds. The indicator light will illuminate in a blue color.
Kenneth Crawford is a freelance writer with more than 10 years of experience. His work has appeared in both print and online publications, including "The American Chronicle." Crawford holds an associate degree in business administration from Commonwealth College.