There are two kinds of deadbolts you may receive randomly. Please follow the video to adjust the deadbolt accordingly.
If all attempts fail. Please refer to this article: How to Solve the Jamming Issue for Ultraloq U-Bolt Series?
We would be appreciated it if you could send us a short malfunctioning video when you submit the ticket. it will help us analyze the issue more quickly. If the video size is too big to upload, you can upload it to Google Drive and share the download link with us. We would be happy to offer a free replacement under warranty as soon as we confirm the issue.
Note： Please choose the correct Request category when you submit a request.