Icemaker Maintenance Tips
Even though your water supply provides healthy, potable water to your ice maker, some impurities may remain. These can affect the smell or taste of the ice cubes, and therefore the beverages in which you serve them. A taste and odor water filter on the incoming water-supply line can help a lot if your refrigerator does not have a filter incorporated into the icemaker or dispenser.
To help keep your ice tasting its best, empty out the ice and wash the ice bin every 2 to 3 months. Also try to keep the foods in your refrigerator covered, because the ice cubes absorb many odors and tastes.
Replace your water filter every four to six months. Change it sooner if you start noticing a bad taste or odors.