Samsung Refrigerator Water Dispenser Not Working After Replacing Filter? (do this)

If you replaced the filter in your Samsung refrigerator after the filter indicator light turned red, but the dispenser won’t work, you’ve found the right article. There are a number of possible reasons for the water dispenser to fail to work after changing the filter.

From incorrectly fitting the new filter, fitting the wrong type of filter, or something like trapped air or a faulty switch. In this article we take you through all of the possibilities that might have caused the water dispenser on your Samsung refrigerator to have stopped working. Identify the problems and offer solutions to those issues.

Samsung recommends troubleshooting before contacting them with these types of problems and this article covers all of the areas where troubleshooting might help.

Why Is The Water Dispenser Not Working After Replacing The Filter On My Samsung Refrigerator?

There are several possible causes for the water dispenser to fail to work after the filter has been replaced which include;

Probable CauseSolution
Incorrect Filter InstallationAlways follow installation instructions correctly
Wrong Type Of Filter FittedAlways match the replacement filter with the original
Fake Filter FittedOnly ever buy genuine Samsung water filters, beware of cheap imitations
Faulty FilterTry replacing with another new filter
Control Panel LockedCheck to see if the child lock, control lock or dispenser lock have been activated
Air Trapped In The Water LineClear the water line with running water
Water Tank FrozenThaw the water tank and reset the freezer temperature to -5 to -16o C
Water Supply BlockedCheck the water supply for blockage or supply failure
Defective Dispenser SwitchInspect and replace dispenser switch if necessary

Let’s look at each of these problems in more detail;

Incorrect Filter Installation

A person opening a refrigerator

If you don’t fit the replacement filter in correctly, there’s a good chance that it might fail to work. Which could cause the dispenser to not work either.

If the filter is fitted incorrectly the control board will detect that something’s wrong and the dispenser will not work. You should consult your user manual to find the correct way to install the filter into your particular appliance.

In the absence of a user manual, you can try these general tips;

  1. Press the old water filter in, and turn the cap anti-clockwise to loosen it
  2. Once loose, pull the old filter out
  3. Carefully insert the new filter and press it in
  4. Turn the cap clockwise to secure it into position
  5. Run the water to flush the system and test the dispenser
  6. Finish the installation by pressing the reset button to reset the water filter light

Wrong Type Of Filter Fitted

There are 3 types of water filters made by Samsung for their refrigerator water dispensers which are;

  1. HAF-QIN
  2. HAF-CIN
  3. HAFCU1

These 3 filters are designed for different Samsung refrigerators and all look different. It’s important that you replace your old filter with an identical new one.

Fitting an incorrect filter will result in the dispenser failing to work. Always double check the filter before fitting.

Fake Filter Fitted

There’s an old saying that says “If it seems to be too good to be true, then it is too good to be true”. And that was never more accurate than when it applies to these filters.

You can often find cheap Samsung water dispenser filters on sale for incredibly low prices. This is often because they are fake parts. Sometimes, they work fine but usually, they cause some sort of a problem.

Check your old filter to see if it looks like the new one, if not, it could be a counterfeit filter. You should always check the model number and always purchase genuine replacement parts if you want your Samsung refrigerator water and ice dispenser to work properly.

Faulty Filter

It is easy to damage the water filter when installing it especially if you are too heavy handed. If you use too much force, you’re likely to damage the valve stem or the cap.

This would mean the filter won’t be able to allow water to pass through as it should. You will need to check the filter housing, check that the filter is seated correctly and that the valve stem or cap aren’t damaged.

If there is any damage to the filter, it will need to be replaced.

Control Panel Locked

open fridge door

Samsung refrigerators have safety features designed to prevent damage. These features include one or more of the following;

  • Control Lock
    The control lock automatically locks the control panel after 1 minute if the panel isn’t used. If the control lock is on, which will be indicated by the control lock light, the dispenser will not work.
  • Child Lock
    The child lock works in the same way as the control lock and is designed to prevent children from tampering with the settings on the refrigerator. If the child lock is activated, the dispenser will not work. 
  • Dispenser Lock
    Certain Samsung models have a dispenser lock which only locks the dispenser and allows the rest of the controls to be used. 

You will need to consult your user manual to find out which control panel lock (if any) your model has. Typically these locks can be removed by;

  • Holding the door alarm switch to deactivate the control lock.
  • Holding the ice maker off button to deactivate the child lock.
  • Open settings on your family hub control panel to remove the dispenser lock.

Air Trapped In The Water Line

In some cases, air can get trapped in the water line when you’re replacing the filter. This can cause a blockage which prevents water from flowing properly.

You should always flush air from the water line every time you change the filter. This can be cleared by holding a cup or container at the water dispenser and pressing the dispense button for 60 to 90 seconds. The water may start to splutter as it clears the air from the system.

You may need to wait for a few minutes, but, as long as the filter isn’t faulty, it will eventually flow.

Water Tank Frozen

If the temperature level is set too low, the water tank can freeze. If the water tank does freeze, the dispenser cannot work because it isn’t receiving any water.

Check the freezer’s temperature which should ideally be around -5 to -16o C. Adjust the freezer temperature to somewhere around these parameters and allow the water tank to thaw naturally.

Water Supply Blocked


If the water supply is blocked for some reason it cannot flow through the dispenser. There are several things that could interrupt the water supply, which include;

Water Supply Disconnected

You will need to check the water supply line to see if it is turned on. If not, turn it on to ensure a steady supply of water to the dispenser.

Water Tube Frozen

If the temperature in the freezer drops below -17o C, the water tube will freeze. This will prevent any water flowing to the water dispenser. 

You can thaw the water tube by disconnecting the fridge or aiming a hairdryer at the tube. Once the tube is thawed out, set the freezer to somewhere between -5 to -16o C.

Defective Water Inlet Valve

All of the water that enters your refrigerator does so via the inlet valve. If it is defective there will be insufficient water supplied to the dispenser, if any at all.

You should check the inlet valve for continuity with a multimeter and replace it if it is found to be defective.

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Low Water Pressure

The pressure of the water supplied to your refrigerator needs to be at least 20 psi. You can use a water pressure gauge to check the pressure level.

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If it is less than 20 psi, you will need to increase it. If it turns out that the mains water pressure to your home is inadequate, you will need to contact your local water authority.

Defective Dispenser Switch

The dispenser switch or door switch are important parts that are needed for the proper running of the water dispenser. If either of these switches becomes defective or develops a fault, the water dispenser will not operate.

You will need to check the dispenser switch and door switch for continuity using a multimeter. If either of these switches proves to be defective, they will need to be replaced.

SEE ALSO: Loud Samsung Refrigerator Fan Noise? (just do this)

Frequently Asked Questions

Why is water not coming out of my Samsung fridge after replacing the filter?

If there is no water coming out of the dispenser on your Samsung fridge after changing the filter, it could be because; you have installed an incorrect filter, you have damaged the filter whilst installing it, the new filter is defective, the control lock, child lock or dispenser lock has been activated, there is air trapped in the water line, the water tank has frozen, the water supply line is blocked or the dispenser or door switch is faulty.

Why has my Samsung fridge stopped dispensing water?

If your Samsung fridge has stopped dispensing water it could be caused by a clogged filter, frozen water tank, air trapped in the water line or the dispenser or door switch has developed a fault.

Why is water not flowing through my new filter on my Samsung refrigerator?

If there is no water flowing through the new filter that you installed on your Samsung refrigerator, it is most likely caused by air in the water line. This can be cleared by holding a cup or container at the water dispenser and pressing the dispense button for 60 to 90 seconds. The water may start to splutter as it clears the air from the system.

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