Hi, I am starting to see many of my matter devices is offline/unavailable. Its both on the Nanoleaf and Ikea apps that it seems to go “offline” Do anyone have some idea where I should look to maybe see if its a HP23 issue with Matter devices since IKEA is the new addon to this.

No I did not report. I will check if everything is ok using the adapter only, and no wifi Then I might connect wifi and ethernet again and let it crash if it does and report. Edit: Other thing I just noticed was the CPU Temp when from 62° to 55° after I turnd of wifi

Hi, same for me Lafaer Presence Sensor was offline some days ago restart of homey, wlan and reset of sensor didn’t change anything. I deleted the device and tried to re connect, without any success. First i though the sensor was broken, but i tried to add a second matter device as well without a …

[image] UlfsHomey: I have installed 13.5.0 After I’ve installed 13.5.0, I’ve lost all IKEA Matter devices. Reconnecting doesn’t help. I’ve tried turning Homey off for 1 hour, and after turning it on, I’ve waited at least 24 hours. All Bluetooth and Zigbee devices works well.

hi Valerii, I got already an answere from the support This issue is a known issue at the moment, which has also been reported by several other Homey users, and is actively being investigated by our development team. Unfortunately, such investigations take some time, and testing and publishing a f…

I’ve brought all devices back to life after the IKEA app restarted. I’m not sure if this app is getting any updates this week.

Same problem. The mather over thread devices lost connection. Had a homey update, but also an iOS/tvos27 update. any news?

Suddenly the connection is back

Check and see if your thread network is on the same channel as your Hue network. If they are, change the Hue channel and see what happens. I have been having periodic device drops. When I ran Thread Doctor, a number of them had very weak connections despite the fact that they were very close to a…

Maybe this upcoming change will be helpful in identifying and resolving Matter-over-Thread issues: [IMG_3009] Source: Homey Pro and Homey Pro mini Changelog | Homey

For people that run a Unifi network, the newest controller beta now has the capability to monitor Matter devices on the network. Nice to see other companies working on tools to diagnose Matter networks. [Schermafbeelding 2026-10-03 110842]

Matter devices are unavailable

Questions & Help

Rammstein October 11, 2026, 8:27am 456

Interesting post from from @Effendi68 , thx for sharing this!

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