> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://closeli-help.closeli.com/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).

# Why doesn't the device play the siren after it is enabled in the app?

1. If you turn the siren on through the home page, make sure you have selected the right device.

2. Scroll down to refresh the home page and to make sure the device is online.

3. For some situations, the device's siren may delay due to network failures.