Sidehistorik
I experienced that today - late at night, I was unable to control all lights (I have 116 devices), and my 2 Hue bridges (Inside Lights and Outside Lights) all showed this:
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Update 5 days later from the original issue occurred - One Hue brigde (Outside Lights) has all bulbs and sensors as unreachable again, the other (Inside Lights) is fine. Tried to power of the bridge and the power to some bulbs, with absolutely no effect. Even almost stranger, I can see that the sensors on the brige became unavailable in Home Assistant over a period of time, its not like just - all unavailable suddenly at the same time ... I have disabled Software updates for both bridges. So, this afternoon I tried to change channel - no improvements. . See below |
Advarsel |
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Lesson learned: DONT change Zigbee channel, it seems that when bulbs are paired to a bridge, the channel is locked in the Bulb/Accessory - seems fair. So do only change Zigbee channel when all Bulb/Accessories are available, otherwise its pointless.. |
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I tried support by Philips - entered the problem on a web form, recieved some very standard questions, and tried to mail thme, the reply was:
So I created a new form, got an answer that the were sorry I was unable to mail them, and I replied by mail, and the result was... tha da..
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The bridges seemed fine, and I (beside panic) started to investigate:
...
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My conclusion is somewhat, that this problably was a software update - or similar - that kind of "broke" the bulbs ability to communicate - and software updates over Zigbee is slow and takes a long time. Point being: Dont panic to soon and start resetting your bridge(s), have some patience and take the power off some times over a time period. Setting up everything again can take way longer time if You have many devices. |
5 Days later
From the original issue occurred - One Hue brigde (Outside Lights) has all bulbs and sensors as unreachable again, the other (Inside Lights) is fine.
Tried to power of the bridge and the power to some bulbs, with absolutely no effect. Even almost stranger, I can see that the sensors on the brige became unavailable in Home Assistant over a period of time, its not like just - all unavailable suddenly at the same time ...
I have disabled Software updates for both bridges.
So, this afternoon I tried to change ZigBee channel - no improvements. But it was a mistake to do it.....
Then I power cycled the entire house, and now 4 sensors is back (2 motion, 2 window/door), the rest is still unreacable.
So I took down the 3 "Terasse" bulbs
I could not reset them in their outdoor socket (10 sec with the dimmer) - went fine inside
All 3 were reset, deleted in the app and rediscovered
So I took down the 3 "Front Door" bulbs
2 of them just worked inside instantly (really weird as I had changed ZigBee channel)
The 3rd needed a reset, dould only be rediscovered via serial number...
So, now I am even more confused.....
Later that evening...
I changed Zigbee channel on the Outside Lights back to 25, and bulbs and sensor just came online within seconds...