Reset the filter light by holding the button for three seconds

The water filter light on your Samsung fridge resets by pressing and holding a button on the control panel for about three seconds. The exact button and location depend on your model — some have a dedicated "Filter" or "Reset" button, while others use the "Power Cool" or "Ice Type" button. The light will blink once or twice, then turn off, confirming the reset worked.

You should reset the light only after you have physically replaced the water filter cartridge inside the fridge. Resetting the light without changing the filter does not clean the water — it just silences the reminder. If you reset the light and the filter is still old, your water and ice will not improve.

The reset takes less than a minute and requires no tools or special knowledge. Most people find the button by checking the control panel above the water and ice dispenser or on the front of the fridge door.

Key Takeaways

  • Always replace the physical water filter cartridge before resetting the light, or the reset will not improve your water quality.
  • The reset button location varies by Samsung model — check your fridge's control panel or the owner's manual to find the correct button.
  • Press and hold the reset button for three seconds until the light blinks and turns off.
  • If the light does not turn off after holding the button, try a different button or consult your model number in the manual.
  • The filter light typically reminds you to change the cartridge every six months, though this varies based on water usage and quality.

Locate the reset button on your control panel

Samsung refrigerators place the reset button in different spots depending on the model year and style. On most newer models, the button is on the ice and water dispenser panel on the front of the fridge, usually labeled "Filter Reset" or straightforward "Reset." On some older or French-door models, the button may be on the control panel inside the fridge, near the top of the interior wall.

If you cannot find a labeled button, check your owner's manual by searching online for your model number. The model number is usually printed on a sticker inside the fridge, on the back wall or on the side wall near the bottom. You can also call Samsung customer service with your model number and they will tell you which button to press.

Some Samsung models use a combination of buttons instead of a single reset button. For example, you might need to press "Power Cool" and "Ice Type" at the same time, or hold down the filter button while pressing another button. Your manual will specify the exact sequence for your model.

Press and hold the button until the light responds

Once you have located the reset button, press it firmly and hold it down for three to five seconds. You should see the filter light blink once or twice, then turn off completely. Some models show a brief message on the display screen, such as "Filter Reset" or a checkmark, to confirm the action worked.

If the light does not turn off after five seconds, release the button and try again. Sometimes the button requires a very firm press or a slightly longer hold. If it still does not work after two or three attempts, you may be pressing the wrong button — go back to your manual or contact Samsung to confirm the correct button for your model.

Do not worry if the light takes a few seconds to respond. Some models have a slight delay before the light blinks. Once it blinks, the reset is complete and you can stop holding the button.

What to do if the light does not turn off

If you have held the button for five seconds and the light is still on, the most common reason is that you are pressing the wrong button. Different Samsung models use different buttons, and pressing a nearby button by mistake is straightforward. Go back to your owner's manual and double-check the exact button name and location for your specific model number.

Another possibility is that the filter cartridge itself is not seated correctly inside the fridge. Some Samsung models have a safety feature that keeps the light on if the filter is not fully inserted or locked into place. Remove the filter, check that the rubber seals are clean and not damaged, and push it back in until you hear or feel a click.

If the light still will not turn off after you have tried the correct button and reseated the filter, the light sensor or control board may have a fault. Contact Samsung support with your model number and describe what you have already tried. They can walk you through additional troubleshooting or arrange a repair if needed.

Replace the filter before resetting the light

The water filter light is a reminder to change the cartridge, not a warning that your water is unsafe. However, resetting the light without replacing the filter defeats the purpose — your water will not taste better, and the filter will not remove contaminants as it should. Always change the cartridge first, then reset the light.

Samsung water filters are usually located behind a panel on the front of the fridge or inside the fridge near the top. The cartridge twists or slides out, and a new one twists or slides back in. The whole process takes about two minutes. Your owner's manual shows the exact location and removal steps for your model.

Most Samsung filters cost between $30 and $60 and are available online, at appliance stores, or at big-box retailers. Make sure you order the correct filter model for your fridge — the model number is printed on the old cartridge or in your manual. Using the wrong filter may not fit or may not work properly.

Understand when the light turns on again

After you reset the light, it will turn back on after a set amount of time or water usage. Samsung typically sets the reminder for every six months of use, though some models track actual water dispensed and turn the light on sooner if you use a lot of water. The light may also turn on if you have not used the dispenser in a while — some models reset the timer based on calendar time rather than usage.

When the light turns on again, it is a signal to order a replacement filter so you have it on hand when you are ready to change it. You do not have to change the filter the moment the light comes on, but you should plan to do it within a week or two. Waiting too long may result in reduced water pressure or taste changes.

If the light turns on again very quickly — within a few weeks of resetting it — check that you installed the new filter correctly. A filter that is not fully seated will trigger the light sooner than expected. If the filter is seated correctly, contact Samsung to see if your model has a known issue with the sensor.

Frequently Asked Questions

Do I have to reset the light if I replace the filter?

Yes. The light will not turn off on its own when you change the cartridge. You must press the reset button after installing the new filter. If you do not reset it, the light will stay on even though the filter is fresh, and you will lose track of when to change it next time.

What happens if I reset the light without changing the filter?

The light will turn off, but your water quality will not improve. The old filter will continue to work less effectively, and you will lose the reminder to change it. You should only reset the light after physically replacing the cartridge inside the fridge.

Can I reset the filter light from my phone or the fridge's smart app?

Some newer Samsung models with Wi-Fi and a companion app allow you to view the filter status through the app, but most do not allow you to reset the light remotely. You will need to press the physical button on the fridge. Check your app to see if your model supports remote reset — if it does, the option will be in the settings or maintenance section.

How do I find my Samsung fridge model number?

The model number is printed on a sticker inside the fridge, usually on the back wall, side wall, or ceiling. It may also be on the back of the fridge or on the door frame. The number typically starts with "RF" or "RS" and is followed by numbers and letters. Write it down and search online or call Samsung with this number to find your exact reset instructions.

Is the water filter light the same as the ice maker light?

No. The water filter light reminds you to change the water cartridge. Some Samsung models also have a separate ice maker light that alerts you to problems with the ice maker itself. Check your manual to see which lights your model has and what each one means.