New C8 Pro unresponsive after power surge/outage

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1

I have a C8 Pro that I installed a couple of months ago to replace my C7. Last night there was a power surge/outage (unclear which). When our backup generator came up, the hub had stopped responding. When I unplugged it and plugged it back in after a couple of minutes, I didn't even get the LED on the side to come on. I figured it was fried.

This morning, I tried again, but also tried holding down the reset button for a few seconds after plugging it in, and I did get an LED to turn on, but the hub is unresponsive via the app in local or remote management modes. It does not appear to have connected to my network (I do not see the MAC address among the connected clients).

In poking around the forums, I have seen suggestions that the problem could be related to the network state being funky when the power comes back on. However, in this case, the network did not go down during the outage. The network is on a UPS that carries it until the backup generator kicks in, so nothing about the network changed during the outage. (If I can get the hub fixed, I will likely move it to where the UPS is, assuming it still can connect to all of the controlled devices from there.

I'd hate to have to buy a new hub so soon after purchasing this one, so I'm hoping someone has some ideas for getting this hub back online. Any help is appreciated!

2

What's the color?

Some more detail would be useful. Is the hub broadcasting its WiFi SSID during boot (MyNewHubitat)?

3

I still would consider rebooting the router/switch

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4

Thanks for the reply. Unplugged the device and plugged it in again and the LED did not come on. I got it on again by hitting the reset button again. I did not see the WiFi SSID either before or after hitting the reset button.

I'm a bit colorblind, so the LED color is hard for me to detect, but I think it's red, and an app I use for help appears to confirm that.

5

That means the hub platform hasn’t loaded or isn’t running.

Can you access the Diagnostic Port (8081).

That’s good - means the primary Ethernet interface is configured.

6

Forgive my ignorance, but if I cannot see the device MAC on my router, how would I access the diagnostic port?

7

Did you reboot your router/switches as recommended by @thebearmay? If you still cannot see the MAC address, I'm afraid your hub may be irrecoverably dead.

8

Thanks to all for the help. I did reboot the router and switch and still do not see the MAC address. Guess I'm buying a new unit.

9

Consider getting a Hub Protect subscription. Not only would it have made the replacement free, it would also make the replacement simple - all you'd have to do is restore the last cloud backup.

10

I will definitely consider that. There was a cloud backup that I used when I upgraded from the C7 to the C8 Pro. Do you know if that will that still be available to me? If not, I will have to activate my old C7, then go through the "upgrade" process again, I guess.

11

It should be.

12

Thanks again for all the help. I've enjoyed the Hubitat over the 2.5 years I've been using the devices, and much of the reason for that is the community of people who are willing to help!

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