@SD-Rick Tony, Thank you for responding so quickly! This is a single pole, dimmer switch that I purchased 12/12/2019 from Costco. The switch that is being used is one of 14 switches I have installed...

I installed a HS220 about 6 months (or so) ago and everything worked great. Yesterday I woke up and the lights controlled by the switch were on and the wifi was lost. I would turn the lights off but...