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So first, any issue can be repaired, but to confirm that something is even frozen, you'll want to just unplug the refrigerator for 24 hours and leave the doors open. That will thaw everything out and then you'll know 100% for certain if the issue is a frozen water line. Plug the refrigerator back in and if you can't dispense water---it wasn't diagnosed properly. If it does dispense water, turn the refrigerator a bit warmer and make sure the bottom crisper drawers aren't set too cold because the bottom of the refrigerator or the back wall inside the refrigerator is where the water line runs so it will freeze if the refrigerator section gets too cold.
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