I'm unable to successfully pair Iris motion sensors, Hue motion sensors, NYCE motion sensors (some not all), Sinope load controller. All on C8, 2.3.5.103. Note that my Iris plugs have worked with no problems, including after all the steps mentioned below.
I've tried: restarting the hub, restarting the radio, changing the channel, and I've even reset the Zigbee radio. If the devices have a reset function then those were activated. Note that I originally did a C7-C8 migration that included the radios.
Some devices appear to pair as the pairing screen indicates successfully finding previously paired devices. Sometimes I don't even get that message. Some devices seem to partially function (reporting temp, but not motion), others don't function at all. Some work for a while and then stop. Sometimes repeated pairing has gotten them to join, at least temporarily.
They should work, a YMMV thing going on that it's inconsistent. - earlier today I paired two Hue outdoor motion sensors and they are reporting, paired a Visonic contact sensor, and an Iris v2 motion sensor. All paired normally and are reporting.
I've been trying to break my production hub today by pairing new devices and removing and repairing devices and cannot replicate these issues. That doesn't mean our engineers aren't investigating, but the problem may be individual health mesh related.
So the second Zigbee radio reset resolved things. Did you do another restore from an existing hub, or were you starting from scratch w/the new C-8 and not migrating from another hub?
The series of events started with a successful migration from a C7. My Z-Wave mesh sucked on the C7 and I was hoping that the migration would make it better. It probably did (most devices went to direct associations), but the topology map didn't improve even after a couple nights. So I thought what the heck, I'll just redo both the radios. Most of my devices are Lutron, so the manageable number of Z devices won't be a huge deal. So I then re-set both radios. The Z-Wave reset and swapping went fine. The Zigbee didn't. But now it's all OK.
I think the best advice I've heard here is the old "if things are working, don't worry about the man behind the curtain" (e.g., Z-Wave Details page/routing, topology stuff).
For sure, but there were some odd, infrequent not working Z-Wave issues on the C7. All the Z-Wave stuff is mains powered and fairly close together. The Zigbee radio issues are a head scratcher, I've done a re-pair in place before with no issues. Not sure if the radio migration from C7 was an issue or not.
It worked for me, YMMV. My second reset consisted of: 1) reset Zigbee radio, 2) reboot the hub, 3) a 30 minute shut down. Not sure if all that was necessary. Pairing worked after that for me.
I don't think we have any clear evidence that two Zigbee radio resets are generally required/recommended for Zigbee pairing issues after migration to the C-8. A YMMV situation where some people may find problems resolved by a reset, others might require more tries, but I'd expect that to be the exception. A reset should pretty much have the same results the first time and the nth time, and it probably matters more what you do (and in what order) after the reset.
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