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Welcome!
A
Thank you for purchasing YoLink products! We
appreciate you trusting YoLink for your smart
home & automation needs. Your 100%
satisfaction is our goal. If you experience any
problems with your installation, with our
products or if you have any questions that this
manual does not answer, please contact us right
away. See the Contact Us section for more info.
Thank you!
Eric Vanzo
Customer Experience Manager
User Guide Conventions
The following icons are used in this guide to
convey specific types of information:
Very important information
(can save you time!)
Good to know info but may not
apply to you
01
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Table of Contents
Troubleshooting
Need help?
Do you have a question about the YS4909-UC and is the answer not in the manual?
Questions and answers