Ok, that may explain it. There was a bug in the 1.31 firmware: LZW36 Fan/Light Switch Canopy Module Disconnection Issues
What we can do is swap out that switch for you or if you have a Z-Stick, you can update the firmware via SmartThings by following these directions: Knowledge Base Redirect – Inovelli
Whichever method you’d prefer is fine (it’s just the switch part, not the canopy) – just let us know and we’ll get it taken care of!