Ice Maker Ice Jam
One of the most common reasons that a residential ice machine will stop running is also very simple to fix. Before you call for repairs, check to see if your Ice Maker is jammed.
Take a close look at the top of the ice machine. You will find a raker bar that is supposed to rotate plastic fingers through sweep slots. The raker bar is the mechanism that ejects the ice cubes. Sometimes ice will get caught under the raker bar when it is trying to eject ice cubes. This will stop the Ice Maker until the jam is cleared.
Jamming happens most frequently when the ice bin is quite full so that can cubes fall back into the ice machine instead of falling into the bin.
Pull the jammed ice cubes out and you will immediately see the raker bar slowly rotate though the sweep slots.