If I recall correctly, I had a similar thing happen once where the smart app wasn’t really toggling the indicator light. Try looking it up in your Device List and see what it’s currently set to. To the best of my knowledge you can’t change this this setting in the Device List, but you should at least be able to tell which state the indicator light is set to to help you trouble shoot.
No idea if this will help or not, but you might try opening the “air gap” switch. That’s that little notch… kinda pinch it between your finger nails and pull it out. This will kinda turn off the switch and sorta works as a poor-mans reset. This might “wake things up” on the switch. It’s a long shot but perhaps worth trying.