No response / constant blue light

Hi,
I can’t connect to my C8.
I tried turning off the router
I tried turning off the hub
Also I pushed the reset button on the hub.

Still I do not get any response and can’t find the hub in my router connections too.

a blue light indicates the platform is not loaded. Open a web browser on your PC and go to the diagnostic tool on whateveryouripforthehubis:8081

This should allow you to do a soft reset and restore.

Ensure your ip address via the DHCP table in your router.

1 Like

Navigate to ( http://Your Hub IP:8081 )
Like this : http://192.168.1.100:8081 < or what ever ip you get on the hub.
you can re-boot or reset the hub from there.

I am having the same issues Blue light on C8 I woke up to this. Reboot doesn’t seem to work, also downloaded newest version and still blue light,

a blue light indicates the platform is not loaded. Open a web browser on your PC and go to the diagnostic tool on whateveryouripforthehubis:8081

This should allow you to do a soft reset and restore.

Ensure your ip address via the DHCP table in your router.

Soft reset worked!
Any idea as to why this happened, my hub reboots nightly and everything was working at 2am EST. However at 730 EST blue light. The platform version I was running was 2.3.9.136

Sounds like database corruption. One thing you may want to do is download a backup to your pc as well as get a Hub Protect subscription. The Hub Protect sub will allow you not only to back up the hub database but will back up both the Zigbee and Z-wave radios as well which is something local backups do not do. This is ideal incase of complete hub failure. It also gets you a new hub if the protected one dies at no additional cost.

Yeah I already have HUB protect with remote admin, it’s just weird this is the first time I have seen this issue. And to make things stranger is another person was having the same issue.

Corruption can happen for a few reasons but the most usual reason is from a power interruption without properly shutting down. Be it from unplugging to simply a power flux in your house (like a brown out). for giggles I would also make sure you are updated to the latest platform (2.3.9.150). Then shut down from the settings menu, then un plug power for 1 minute. (this clears the radio) then power back up. Once backup, go back to settings and then reboot and pick rebuild database on reboot. This will ensure everything is crisp and clean...

1 Like

Why? Mine reboots when there is an update, or an issue, thats it.

4 Likes

I will follow the instructions for a crisp install however my HUB, router, and modem are on a their own UPS with an 8 hour runtime so I don’t think it was a power issue👍🏻

Is your scheduled nightly backup time deconflicted with your reboot time?

A nightly reboot should not be necessary. Like Jeff, I only ever reboot for an update or if I'm doing some manual troubleshooting etc.

Because I use Apple Homekit for GEO referencing, because it works better with iPhone and a nightly reboot of the hub and HomeKit keeps everything running error free!

once a day seems a little extreme .. weekly may work better.

Did you have a power interruption last night that would've caused your UPS to kick in?

I doubt it since I have been running this way on a C7 and now C8 ever since HomeKit availability started, and this is the first time I’ve ever had a blue LED. And I only backup every five days locally 0601 EST and weekly to Hub Protect cloud unless I make changes or update the version.

Just checked the logs no power interruptions on the UPS I also checked the HUB logs and nothing there. I have a rule to periodically ping a fixed device for power outages, This way when the lights turn on after a power outage the rule will turn them off.

For me nothig worked. I know the IP of my hubitat. But I can't even see it connected to my router. So, i can't acces it via it's IP. I pushed the reset Button on the device. I turned it off leaving it over night,... nothing worked.

Make sure the hub is directly connected to your router as is your pc/laptop. Press the network reset button on the bottom of the hub for 7 seconds (It has to be for 7 or more seconds, I know you said you pressed it but want to make sure that it was for the proper amount of time) using a paperclip or toothpick. wait 2 mins. Download angry ip scanner (it's free) and scan the local network.

If you find the MAC of your hub in the list, not it's ip addr.

go to whateverthatipaddris:8081 and see if the diag tool comes up for you.

Thank you, I puushed up to 20 sec. But i'll the ip scanner.

1 Like