Good day,
No, there are no reported cases of the ice maker having ice build-up with this refrigerator model; however, in case any issue with the ice maker occurs, you can refer to the link below.
Ice Maker Service
https://www.samsung.com/us/support/service/refrigerators/ice-maker-service/
If you have further questions or inquiries, these are the platforms on which you can reach us:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.commuity.samsung.com/t5/Samsung-Community/ct-p/us
4. Samsung Customer Care: 1-800-7267864 (1800-SAMSUNG)
Please provide us with this reference number (1148776059) so that our team can retrieve your information when you message us.
Thank you.
-Kimberly