I have 2 HS220 switches that was insanely 4 months ago, recently, they both have been turning themselves off and back on when the lights are on. Not sure what's going on since they worked flawlessly f

Hi everyone, Hope you are having a good day. My dimmer switch is making a high pitched sound that is only audible when I put my ear against it. Is it a concern for me? First of all allow me to put out