Why does my ice maker keep freezing up?

Whirlpool ice maker fill tube assembly used on some Whirlpool/Kenmore brands refrigerators. Includes fill tube and compression nuts

Whirlpool ice maker fill tube assembly used on some Whirlpool/Kenmore brands refrigerators. Includes fill tube and compression nuts

A refrigerator ice maker that freezes up can be caused by a frozen ice maker fill tube, faulty water inlet valve, too low freezer temperature setting, or a water filter that needs replacing.

Warning! Before attempting to work on any appliance, make sure that all power (electricity) and utilities (water and gas) have been turned off and/or disconnected on the appliance. Read more

First, locate the water supply to your ice maker and turn off the water supply via the shut off valve. You may want to have a bucket and towels on hand for any extra remaining water in the water supply line.

The fill tube and water supply line supplies water to your ice maker. The fill tube can be a separate part that connects to the water supply line and it enters from the back of your freezer and into your icemaker. You may need to remove your icemaker to see this tube and to check if it is frozen.

If the fill tube is frozen, you will need to thaw it out using hot water pored over the tube using a turkey baster, or else remove this part from your refrigerator and thaw it out in the sink. You can remove this part from behind your fridge by unscrewing a few screws and detaching the water supply line. Thaw in your sink and reattach.

Some methods suggest using a hairdryer to thaw out this part.  Be careful when using this method as dripping water and electricity could lead to a possible electric shock. Also, exposure to long periods of heat could damage the fill tube part.

If you have a refrigerator water filter, check to see if it needs replacing or consider replacing it.

Check the temperature setting on your freezer as it might be set too low. You may want to bump it up a degree or two.

Water Inlet Valve

Water Inlet Valve. Dual outlet water valve used on some Whirlpool/Kenmore brands refrigerators with water dispensers and ice makers.

You may want to also test the water inlet valve. The water inlet valve controls the flow of water into the ice maker and is located in the rear of the refrigerator behind the back access panel. Sometimes this part can go bad and overfill the ice cube tray when it is not needed.

The water inlet valve also has a screen filter that can become clogged with sediment and minerals from hard water over time. Remove the water inlet vale from the refrigerator and use a flat head screw driver to remove the sediment screen from the part. Clean the filter screen using soap and warm water and replace.  Reassemble all parts and test your ice maker.


17 thoughts on “Why does my ice maker keep freezing up?

  1. what is the perfect temperature for your freezer. I want to make sure that it is set to low. thank you

  2. Very informative video, thank you for sharing your knowledge.

  3. Air infiltration from the freezer compartment onto the filler tube is prevented , at least in my subzero, by black dum dum putty at the top of it where it enters the ceiling of the freezer. Water stays in the tube because of the vacuum in the tube . If the cold air from the freezer can reach the part of the tube that contains water it will freeze and you’ll have to take a hair dryer to thaw it. The dum dum putty prevents air infiltration from the freezer onto this vulnerable part of the water tube. Make sure the putty is tight to the ceiling of the freezer by pushing it back up to the ceiling to stop any air movement. If you know a dentist you can get some vinyl polysiloxane putty used for crown impressions and add a little more sealing at the ceiling and cover the part of the tube that can be reached from inside the freezer with it for a little more insulating effect. This was the fix that worked for me and I have been fighting this for 2 years.

  4. Why does the water tube that comes thru the back of the refrigerator to the ice maker freezes up. I have thaw it out 3 times an it still freezes up

  5. I have a Kenmore 3 door fridge, freezer and ice maker on the bottom. Water line keeps freezing up.techs covered with white thin insulation but eventually it froze up again temp in fridge set at 38 freezer 0 anything I can do to stop this from happening again

  6. The water from the opening in my freezer INTO the ice maker was frozen solid. I stream of frozen water into the machine ?! I turned OFF the ice maker, but what’s the issue ? We are experiencing abnormal freezing temps, but I’m in a condo.
    Model ED2FHEXNS00

  7. appreciate if you could provide guidance to when icemaker just drips water and forms an ice pool on the cube tray.
    Any relation to water valve or go directly to inside ice make entire assembly?

    • Hello Chapo,

      First, check your water inlet valve. It might be defective and not shutting off the water when needed and that’s why you are getting the dripping and ice forming. You can test this part with a multimeter – youtube has lots of great videos on how to do this. Just be sure to follow all the proper safety precautions and turn off your water supply. Have a bucket and tool on hand to catch any water run off in your water supply lines.

  8. My ice maker over flows and freezes in the little white fill basket(that’s what I call it)what in the world is going on I have tried everything

  9. My ge is not making ice. It does dispense water but no ice. What is the problem.

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