Samsung · Refrigerator
The Water Filter indicator is illuminated or blinking, usually red, when you open the door. This serves as a reminder that the water filter needs to be replaced after about 6 months or 300 gallons of water.
Click steps to track your progress.
Shut off the main water supply line.
Turn the filter cartridge knob 90 degrees counterclockwise to unlock and pull out the old cartridge.
Insert a new Samsung-provided or approved filter cartridge and turn the knob clockwise to lock it.
Press and hold the Ice Maker button on the main panel for 3 seconds to reset the filter lifecycle detector. The indicator will turn off.
Open the water valve and run water through the dispenser for about 7 minutes to remove impurities and air.