I am very happy with the device from a firmware perspective, but I have a question on the hardware side. I have 5 of the devices and am having massive inconsistency on securing wiring. The problem is only with the ground wire. Unlike the other wiring, this one securing mechanism, won’t screw closed on one switch with a wire inserted. One some of the others, it does close on the wire, but has come loose while working on seating the device as a whole.
Am I missing something or doing something wrong? All of the wiring that I am attaching to is of the same gauge.
Test by seeing if you can tighten the screw WITHOUT a conductor inserted. If it won’t tighten, then that suggests a stripped screw.
If it does tighten, start by turning the screw counterclockwise until it stops, running the backing plate all the way out. (Stop once you get resistance.) You should see the backing plate at the bottom of the holes. Now insert the conductor and tighten. This ensures that the conductor is properly placed between the backing plate and the top of the screw. The backing plate should tighten against the conductor, drawing it up to the top.
If the screw tightens without a conductor but won’t tighten with a properly placed conductor, that also suggests a stripped screw.
Out of 15 switches, I had 3 with the same issue. I had one other switch that had a bad rocker. It was the line in screw that I could not get to fully tighten. I sent them back, but the automated return process does not offer a replacement. It didn’t for me, at least. It was either store credit or a refund. It was a bummer because I had Indiegogo pricing.
I checked the procedure that you suggested and the screw/plate seems to be partially stripped. When I turn the screw without a conductor in place, the plate will move up and down, but unlike my other switches, when reaching either the top of the travel, it doesn’t reach a point of resistance. Instead it has little click and then either stays in place or drops back down.
Then if I put a conductor in place it will move the plate up until it touches the conductor. At that point it will tilt from its horizontal to the side and stop getting tight enough to hold the conductor.