Zooz ZST39 LR 800 Firmware 7.21.3 Fail

Firmware 1.50 is the latest indeed. I have it running too. I have moved all my (40) devices over this weekend and it’s all stable. No issue at all. I am happy with the new stick.

Interesting. Are you using a USB extension cable? I’m going to try that. I can’t imagine I need to add a repeater for this. I’ve had it disconnect at least 3 times and I’ve had the device for less than 24 hours (this device never disconnected on the previous system I had.) When I restarted HA, it came right back up…

I have an extension cable, just in case. But it was directly in the USB port before. Even then it worked fine.

My older Gen 5 stick was on an extension cable on the back of the system. Now that I disconnected the old stick, I moved the new Zooz to the back. In both cases with and without the extension cable, I had no issues.

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