Ping router zigbee device and mark it on

[Peter_Kawa]

Thanks. Did you first fix the wifi 2.4GHz channel, to preferably 1, 6 or 11?
When you reset zigbee (you have to start over!), Homey should search for a quiet channel automatically.
Here’s a must read:

Advanced Zigbee Troubleshooting on Homey

If you’re experiencing issues with your Zigbee network on Homey, here are advanced troubleshooting steps to help optimize performance and stability, especially in more complex environments: Power Supply Integrity A stable power supply is critical for Homey’s performance. An underpowered adapter can lead to instability in the Zigbee network. Always ensure you’re using a reliable adapter providing at least 2A. Power fluctuations can cause disconnections or communication failures, especially un…