Question Random on/off behavior of smart bulbs

Sep 10, 2021
I am new to this forum. I have been building an Alexa-based smart home for a few years. Overall, works well. I have a curious problem with a smart light. I set up a Kasa smart bulb in a ceiling can fixture. It worked well for at least 2 years. Then it began turning on randomly. Eventually, it began turning off randomly.I swapped out an identical bulb from another fixture and the problem persisted. I just replaced the ceiling fixture with a new one, properly installed, and the problem remained.

I replaced the Kasa bulb with a PlusMinus bulb. I can control it correctly, but the replacement bulb behaves in the same random on/off way.

Any ideas? I am at a loss!

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