Is "Cubed Ice" selected?
Ensure "Cubed Ice" is selected on the dispenser controls.
Was "Crushed" Ice just being used?
Cubes are crushed before being dispensed, so when changing from crushed to cubed, a few ounces of crushed ice will be dispensed along with the first cubes.
Was the ice bin recently removed?
If the ice bin was recently removed the check to make sure it was properly installed. To check, remove the bin and reinstall making sure it is correctly seated.