There could be a few different reasons for this. For example, the temperature setting on your freezer is too low, causing excess moisture to freeze and form ice. Try adjusting the temperature to see if that helps. Another possible cause could be a faulty seal on the freezer door. If there are gaps or cracks in the seal, warm air from outside can enter the freezer, creating condensation that freezes into ice. Inspect the seal and replace it if necessary. Lastly, check for any obstructions that may be blocking proper airflow in the freezer. A blocked vent or an overcrowded freezer can lead to uneven cooling and ice formation. Make sure there is enough space around items in the freezer for air to circulate freely. By addressing these potential issues, you should be able to prevent or reduce the formation of ice in your freezer.