Ice Maker Diagnostic Guide: How To Fix an Ice Maker

Symptom	Check Click on underlined items for further information
Makes too much ice or will not shut off	Check the shutoff arm Test the shutoff switch
Makes no ice	Check the shutoff arm Check the supply valve Inspect the water supply line Test the shutoff switch Check the freezer temperature Inspect the ejector gear Test the ejector motor Test the ice mold heater Test the holding switch Test the water inlet switch Test the thermostat Test the water inlet valve
Ice cubes too small or large, or not enough ice	Adjust cube size control Check the supply valve Inspect the water supply line Test the water inlet switch Test the water inlet valve
Ice will not eject	Inspect the ejector gear Test the ejector motor Test the holding switch Test the thermostat Test the ice mold heater
Ice tastes bad	Wash the ice bin Remove any old food Wash the refrigerator & freezer interior Flush out the supply line Test the water inlet valve Replace the refrigerator's water filter Install a supply line filter if your fridge doesn't already have one
Ice is discolored	Test the water inlet valve Flush out the supply line Clean the ice mold tray Install a supply line filter if your fridge doesn't already have one
Water leaks from unit	Check the refrigerator for level Check the ice maker for level Inspect the fill cup alignment Inspect the water supply line Test the water inlet switch Test the water inlet valve