I tried to install my HS 200 on the bathroom, I follow al the physical installation like the TP show me and the smart switch wroks and I can configure the wifi and use on KASA APP but it not turn on t

I tried to install my smart light switch (HS200) but not work. I did the correct physical instalation but the switch keep swaying. It stay repentindaly turn on/off, and blink the wifi icon (orange and