Check for items in the freezer that have moved beneath the ice maker or shifted the ice bucket. If you have frozen items other than ice stored in the ice bucket, take them out and move them to another location in the freezer to ensure that the ice maker has not been pushed out of alignment. Shift the ice maker if necessary to make sure the drain hose coming out of the ice maker lines up with the drain in the freezer.
Tighten the drain cap on the bottom of the ice maker unit inside the ice bucket by turning it clockwise if you hear a sound that KitchenAid describes as a “whooshing” noise when the unit attempts to make ice. Also check the drain cap tightness if you find water in the bottom of the freezer or refrigerator or if the ice maker produces ice that is thinner than usual.
Unplug the refrigerator and remove the back panel over the freezer area if the ice maker doesn’t seem to be getting any water at all or if water pools on the floor beneath the refrigerator. If the tubing that connects the water supply to the refrigerator has become disconnected, screw the tubing back together, by turning the connectors counterclockwise. If the tubing leaks at the connectors, unscrew the connectors, apply half a dozen layers of pipe tape, and screw the connectors back together.
Change the water filter in a KitchenAid refrigerator with a built-in filter if the ice produced by the ice maker appears dirty. Unscrew the knob at the front bottom of the refrigerator by turning it counterclockwise until it stops, and pull the knob toward you to remove the filter from the refrigerator. Pull the filter free of the knob, place the new filter on the knob, push the filter back into the filter chamber, and turn the knob clockwise until it stops to secure the filter.