Here is a list of resources to help you troubleshoot your Zooz ZSE41 XS Open | Close Sensor 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! 
ZSE41 FAQ: the best place to start 
OTA Firmware Update Files: read all of the disclaimers carefully before applying an update to your device to avoid accidental bricking 
ZSE41 Change Log: where we keep track of all the updates made to the hardware and software of the device.
ZSE41 Specs: make sure you use the device with the right power source and keep it under acceptable conditions.
ZSE41 Advanced Settings: learn how to customize your device.
Detailed Support for ZSE41 XS Open | Close Sensor & Your Hub: