This article applies to the Zooz ZST39 800-series Z-Wave controller when running the latest available firmware and used with Home Assistant (Z-Wave JS or Z-Wave JS UI); many steps will also apply to other open-source software platforms as well. If you are experiencing unreliable device communication, delays, or dr…
If your Zooz product joined the hub and has initially worked well but now shows as disconnected or offline, there may be some network issues causing this behavior. Let's try the most effective strategies to troubleshoot connectivity problems. 1. ADD A Z-WAVE SIGNAL REPEATER If a device keeps going offline, it usu…