#ZWA-2 disappeared after attempted firmware update

1 messages · Page 1 of 1 (latest)

fresh sky
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Ran the firmware update to latest that was offered in HA. Was on 2026.2.2 and Home Assistant green. Since then, no light is on for ZWA-2. Updated to 2026.2.3 and it's still dead. Trying a reboot now.

orchid dove
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Mine too, but I did it remotely and haven't been home to check on it.

fresh sky
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No change after a full reboot.

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Unplugging and trying the web site.

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In bootloader mode due to corrupted firmware

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Failed to download the latest firmware from the Internet. Well that's a lie.

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According to network inspector, 403 forbidden on the network request to download

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Sigh

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Downloading directly from GitHub.

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Firmware recovered. Device is back.

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Restarting HA again.

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Back up and running. So to summarize, go to zwa2-toolbox. Click recover adapter. Go to GitHub. Download the gbl firmware from nabu casa. Recover. Plug into ha. Reboot.

orchid dove
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Good to know. Was your ZWA-2 connected directly to your Green via USB cable? Mine is connected via PoE WaveShare board

river falcon
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I can't stop reading the gbl extension as gooble

polar dune
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I tried the ZWA-2 toolbox, and Chrome/Edge find the device no problem, but both the "Recover adapter" and "Install firmware" options fail, with the console showing "Failed to initialize the driver: ZWaveError: Timeout while waiting for an ACK from the controller (ZW0200)". I can't get to a step that allows me to upload anything manually. Should I be using the "Update ESP firmware" option?

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The "Update ESP firmware" option doesn't work either, console looks like it's reading invalid data from the device and discarding it a bunch until it eventually throws "Failed to execute 'setSignals' on 'SerialPort': Failed to set control signals."

orchid dove
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I'm sure it has the same effect as the above, but I was able to fix mine without disconnecting it, over the network, and while sitting on my couch 🙂

polar dune
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That would've been much nicer, since my desktop is on the second floor and my RPi is in the basement, but the ZWA-2 toolbox was the first thing I found, ha. I'll use those instructions if this ever happens again, thank you