HP2023’s were initially shipped with a 5V power supply, which caused undervoltage issues, so Athom had to replace them all with 5.2V power supplies 
(0.2V happens to be the voltage drop of a Schottky diode, so my guess is that there’s either a misplaced diode in the Ethernet adapter or in Homey itself that’s causing this, and it’s probably cheapest to replace power supplies).
