@Bohley,

It sounds as though the device is having trouble connecting to the cloud, is there any setting on your router that may be limiting its communication with the cloud? It is strange the device is still controllable through Alexa, however it still sounds like a cloud issue.

Unfortunately, the most common fix for this is to perform a soft-reset of the plug, by only holding the power button for 5 Seconds, so as to reset the network settings on the plug.

Since you don't have access to the plug, is it possible to access the network settings of the device through the Kasa App?

I am not sure if disabling the network and reenabling it would force the plugs to reconnect, as they might just lose what functionality you currently have access to.

The only thing that I could think of, if you have access to the router settings, would be to assign a Static IP address to the plug, using its existing address, so that if it is an issue with IP addressing, the issue may be fixed.

I will reply again if my team can come up with any other solutions that would allow you to gain full access to your device from away.

If you set the devices up in automation or routines via a third-party app like Alexa, do the devices respond?