
sudo pip3 install jsonschema coloredlogsdomoticz/plugins/Domoticz-Zigbee, run python3 -m zigpy_znp.tools.energy_scan /dev/ttyUSB0where /dev/ttyUSB0 is the serial port to the USB dongleThis should provide you a scan of all Zigbee channels and reports the level of noise

If you do not succeed here, this mean that something is wrong between the system and the USB dongle