I have the exact Whirlpool refrigerator and am having the same problem with the ice maker. What is happening is that the water tube that feeds into the ice tray gets frozen shut. To fix it, first remove the ice cube container, next turn the ice maker switch to off, then remove the 4 screws that hold the cover on, then gently pull the cover partially off (there will be some wires that are connected, so be careful). Then blow a hair dryer on high heat into the black water tube until the ice melts (you will not see the ice chunk since it is up inside the black tube). Re assemble the ice maker and turn back on. It may take a couple of hours for the ice maker to cycle through before it starts filling the ice cube tray again. This has happened multiple times to my ice maker. I will be contacting Whirlpool about this issue.
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I have the exact Whirlpool refrigerator and am having the same problem with the ice maker. What is happening is that the water tube that feeds into the ice tray gets frozen shut. To fix it, first remove the ice cube container, next turn the ice maker switch to off, then remove the 4 screws that hold the cover on, then gently pull the cover partially off (there will be some wires that are connected, so be careful). Then blow a hair dryer on high heat into the black water tube until the ice melts (you will not see the ice chunk since it is up inside the black tube). Re assemble the ice maker and turn back on. It may take a couple of hours for the ice maker to cycle through before it starts filling the ice cube tray again. This has happened multiple times to my ice maker. I will be contacting Whirlpool about this issue.