My ice maker is producing no ice or very little ice — what should I check?
If the ice maker was just installed, wait 72 hours for full ice production to begin. Also check that the temperature control is cold enough, the wire shut-off arm is in the On (arm down) position, the water supply is properly connected and turned on, and the ejector arm is not blocked by an ice cube. If a large amount of ice was recently removed, allow 24 hours to produce more; if none of these apply, there may be a problem with the water line and you should call for service. (Page 11)
From the official Whirlpool Whirlpool Fridge And Freezer manual, page 11
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