@BrianMal Good to hear swapping the bulb fixed the issue with the status messages as well. I agree with you about there being two issues. I asked TP-Link if there is a minimum wattage load for this...

@BrianMal Low wattage could be an issue as well. I also noticed that there is about a 3 second delay in reporting a status change when either the remote switch is flipped, or the S515 button is...

@BrianMal Since the new firmware was pushed, I haven't seen any issues with the status LED. Home Assistant is not showing any change of state messages in the logbook either. The switch was ON for...

@BrianMal Just an update. The same updated FW version you mentioned above was pushed to my two S515 switches. I have them set up in Home Assistant and will keep an eye on the log messages. Mark

@BrianMal Sounds good. I filed a ticket for this issue as well. If/when they send me a fw update to try, I'll run the same test with Home Assistant and report back.

@BrianMal Just installed a couple of these switches and I'm seeing the same issue. Did they give you the impression that this was something they could fix?