do you config by ESPHome yaml file? or have downloaded KCS E16S firmware? i suggest you download E16S KCS v2 firmware to test, whether hardware have issue.
YouTube: https://www.youtube.com/c/KinCony
Online Store: https://shop.kincony.com
Alibaba Store: https://kincony.en.alibaba.com/
Online Store: https://shop.kincony.com
Alibaba Store: https://kincony.en.alibaba.com/

