Two possible options: It's often mentioned on the web that ZigBee can suffer for WiFi interferences. ", when I press "Search" it won't discover it even if all blue lights on 2020-12-16 14:53:43 @ackrin @tweethue I … A common issue with Hue lights is that they are unreachable. The Philips Hue Hub is the heart of the system. Delete and Re-add again the lights and accessories within the App. It will take about 30 seconds, but the Hue system will change the channel to another one automatically. Press question mark to learn the rest of the keyboard shortcuts. Press J to jump to the feed. : Zigbee channels 21 to 24 overlaps with WiFi channel 11 as illustrated bellow. The hacker controls the bulb’s color or brightness to trick users into thinking the bulb has a glitch. You'll need a Hue V2 bridge, color Hue lights and the latest Hue mobile app to make everything work. But not all of them support 5GHz... Another solution is to change the channel used by the Philips Hue Bridge  to use a ZigBee channel having less conflict with your WiFi (All lights must be powered on). … This number can be smaller with interference from walls and other wireless devices. Try to increase the distance between your bridge and WiFi router to reduce 2.4 GHz interference. Today, the problem occurred again. My Hue Lights app, http://huelights.com, can help diagnose problems. I have hub V2. Save my name, email, and website in this browser for the next time I comment. The only way to reset the bulb is to delete it from the app, and then instruct the control bridge to re-discover the bulb. And indeed, moving the Philips Hue Bridge or Turning On/Off all Wifi Devices in the house used to solve, at least temporarily, the problem. The bulb appears as ‘Unreachable’ in the user’s control app, so they will try to ‘reset’ it. I also remember that in the past, unplugging and replugging that Devolo Powerline Adapter was an action I did and which solved the problem (but I actually did this to restart the various Bridges and WiFi access points connected onto it). The wifi reliability sucks real donkey dick, huh. If this doesn’t seem to work: 1- Open the Philips Hue app. Almost every light in the downstairs living area now has a coloured bulb.Get a pic,lets have a look. This should trigger the Tradfri lights to scan over the channels to join the network again. The Hue Bridge is the hub, the control panel, the heart of the Hue echo system. Et voilà ? Press question mark to learn the rest of the keyboard shortcuts app Lightbow is excellent at forcing uncooperative bulbs to respond when other apps cannot. As explained on Reddit by Erik1971, you can try, after changing the Hue System channel, to power cycle the Tradfri lights (make sure they are not powered for at least 1 minute). I was able to use the iOS Hue Lights app to pair 5 GU10 with the Hue bridge, but I am having trouble pairing the Tradfri remote to the bridge. I know this is going to sound basic, but make sure the light switch is on before trying to control them. This is what I did by connecting the Bridge directly on the Router (So the solution was not the improvement of the ethernet connection quality, but most probably a lower WiFi interference next to that Router). The answer is probably no. If they don’t, turn them on and off again at the main light switch/plug socket. The app Lightbow is excellent at forcing uncooperative bulbs to respond when other apps cannot. You can also subscribe without commenting. So, I moved the Philips Hue devices from that Adapter into the main Ethernet Router and boom, it worked ! 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