> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.cyrusher.de/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to solve the problem when the locking mechanism on the XF690MAXS keeps popping out

Articles on: [Toubleshooting](/en/category/toubleshooting-1u8znb4/)

This article is dedicated to showing you how to deal with the problem when the locking mechanism on the XF690MAXS keeps popping out.  
  
![](https://storage.crisp.chat/users/helpdesk/website/ab9f3a3784e19800/545629ef-cdf8-4265-ab85-799274_18pgzdy.jpeg)  
  
Try to loosen this nut to fix the issue, after losing this nut a bit, the locking mechanism will work better.  
  
![](https://storage.crisp.chat/users/helpdesk/website/36c58b52d3b02e00/2b81acfe-c3aa-4b7b-a742-ce8dd1_vig253.png)

Updated on: 17/08/2022