Sounds like it won't turn on without touching a button. If you plug it into a regular outlet and it doesn't come on, it's not going to come on with the smart plug either. There's not many options -...

No fire is good :). It occurred to me the switch could be flexing to interrupt internal power to the board too, that'd fit with your description (if it's not those buttons). For shallow boxes it's...

Turning off - do you mean the switch loses power? If so, likely a wire is loose in the pigtails and tightening the screw cause it to lose contact. If the switch works before screwing it in place and...

Sounds like it's a 3-way switch. There's no "middle" for single switches controlling the load. If there are multiple switches controlling a load you need to use an HS210 instead of the HS200.

The app is only connected to the TP Link when it's running, so it seems less likely it's app related. Sounds like the firmware might be crashing and restarting - you'd see the LED blinking if so....

You could run AutomationManager (from google play) as a server, it'll run on any low end android device. It can do this with one rule - trigger with "periodic" every 30 minutes, action - set on for 5...