Possible causes include water-supply problems, an inlet valve, temperature conditions, sensors, controls or the ice maker assembly itself. Testing helps determine which component is responsible.

Leaks may originate from water lines, connections, the inlet valve, fill tube or related components. Inspection helps locate the actual source before a repair is recommended.

Small or hollow cubes often indicate that the ice maker is not receiving the expected amount of water. The water supply, pressure, inlet valve and related components may need to be checked.

A malfunctioning or restricted water inlet valve can prevent enough water from reaching the ice maker and may contribute to no ice, slow production or improperly formed cubes. The valve and related water-supply components should be tested to identify the cause.

Slow ice production can be caused by freezer temperature problems, restricted water flow, a clogged water filter, low water pressure, inlet-valve issues or problems with sensors and controls. Testing the complete ice-making cycle helps identify what is reducing production.

Clicking, buzzing, grinding or repeated cycling noises may come from the water inlet valve, motor, ejector mechanism, fan or other moving components. Some operating sounds are normal, but persistent or unusually loud noises may indicate a component that needs inspection.