For shades: Make sure that repeating has not been accidently activated on the shade. The only way to ensure that repeating is turned OFF, is to formally exclude the shade from the Gateway, using the app (do not reset) and re-include the shade.

Instructions on how to Exclude a shade 

1. Open the app and log into your account

2. Open the Shades screen , select the shade you want to unpair and press the ">" icon

3.  Open the advance setting by pressing the gear icon located in the top right corner.

4.  Press "delete" followed by "unpair".  This redirects you the the device pairing wizard to complete the unpairing process.