Try reset option in galaxy wearable app and if that doesn't work call customer care and complete about it if no physical damage occurred to the buds they fix them or offer you a replacement .
We would request you to register your concern in Samsung Members Application. So, that our concern team gets back to you as soon as possible.
Please follow this path to register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
Note. please attach the error log file within 15 minutes of the error occurred.
