As with any technical device, there are a few things to consider with the Homey Pro 2023, e.g. how to set up a stable Zigbee network → Creating a stable Zigbee network with Homey Pro (Early 2023)
Additional general information about Zigbee ca be found here → What is Zigbee?
If you have problems, you can also use the following topic as a guide to find out what information is or could be important:
Are you using the original USB power supply and cable?
Of course, it’s also possible that your Homey Pro 2023 is faulty. So if you think that the problem is not due to your setup, flows, etc., you should contact Athom support.