Hi All,

Wondering if you could please advise. I installed 3 kasa switches on a single circuit yesterday.

First, an HS200 that worked fine. I connected it to the wifi first then turned the circuit back off to work on the next switch.

Then an HS210- also worked fine. Connected to wifi and worked properly.

Last, another HS200. I installed it and it connected to wifi and to the Kasa app. It seemed to work fine at first and I even named it on the app.

But then, within a minute, this last switch lost power and shut off. At the same time, the 3-way switch wouldn't turn off the lights (Neither the HS210 or the dumb 3-way switch). If I flipped the dumb 3-way, it would make the lights flash off for a second but then they stayed on.

Finally, the entire circuit lost power but the circuit breaker didn't trip.

I reset the circuit breaker and nothing. Looked for a GFCI on the circuit and couldn't find any. Not sure what went wrong.

I copied the wiring of the original switches and I'm sure I did it correctly. There are no loose wires. I'm scratching my head on this.

Thanks!