Platform information: Hardware: Intel Core i5 4th gen / 8 Gb RAM DDR3 / SSD PCI Exp 128 Mb OS: W10 Home with extended safety pack until october 2026 Java Runtime Environment: Zulu 21 openHAB version: 5.1.1. Issue of the topic: Ember Coordinator always OFFLINE Please post configurations (if appli…

Hello Finally I managed to solve it editing the file Openhab-wrapper. conf file adding some code as mentioned in: [image] Sonoff Zigbee Dongle Modell E no longer available after restart Bindings Hi Alex, I did this and it works if you want to try it. open y…

According to the docs there are two supported Ember chipsets: EFR32MG and EM357/8. do you know which chipset you have and whether it’s one of these two? Furthermore, it says different dongles have different settings: Note that there are generally two versions of the Ember NCP firmware in use. One…

Hi Rich I have just noticed that the issue is surely related with the USB port driver, since either W10 or W11 set up by default the CH340 driver instead of the CP210x USB to UART Bridge, so the Zigbee dongle can’t connect at all. I have tried different ways to install the CP210x with no success s…

[image] DiegoGR: Besides, I don’t understand properly how to perform this in windows, and how it could help: I don’t either. I don’t use Windows so I can’t offer more than what the docs mention. But I would imagine you’d open the list of hardware devices, find the dongle and see if you can i…

Ember Coordinator always OFFLINE

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sihui (SiHui) January 30, 2026, 7:08am 5

Another loooong story about choosing the right driver in Windows, maybe it helps …