Here is a list of resources to help you troubleshoot your Zooz ZEN30 Double Switch and navigate the documentation that’s already out there 
We try our best to keep the Zooz Support Portal updated and continue adding helpful articles every day so take a look at the most popular docs first, there’s a good chance your question has already been answered! 
ZEN30 FAQ: the best place to start 
When Can I Use the ZEN30 Double Switch?
Full guide to Zooz switches: choose the right model for your project.
OTA Firmware Update Files: read all of the disclaimers carefully before applying an update to your device to avoid accidental bricking 
ZEN30 Change Log: where we keep track of all the updates made to the hardware and software of the device.
ZEN30 Specs: make sure you’re using your device with an approved load, especially the dimmer part of your ZEN30 Double Switch.
ZEN30 Advanced Settings: learn how to customize your device.
Detailed Support for ZEN30 Double Switch & Your Hub: