Hi - I have several Caseta dimmer switches throughout my house with no problems. I have 2 switches in 1 location, one of which paired fine. For the one that's not working, I press the off until the lights start to blink, but then nothing happens. Usually the app with continue with the setup but for this switch it does not, just hangs. I reset the switch to factory defaults, but still nothing. Any advice is much appreciated! Thanks. Marqy