It is possible to fix an ice maker on a KitchenAid fridge. The most common issue with an ice maker is a blocked water line. This can be easily fixed by removing the blockage and cleaning the line. If the water line is working correctly, the ice maker may need to be reset. This is done by unplugging the fridge and plugging it back in. If the problem persists, the ice maker may need to be replaced. In some cases, it may be necessary to hire a professional to replace the ice maker.