Maestro dimmers gone beserk--STUMPED
msull14
9 years ago
Moved into a condo in Sept with 12 Maestro dimmers for both recessed and track lighting. Worked wonderfully, no issues.
Had some work done late November, which involved moving outlets (3) and installing sconces (2), all on different circuits in different rooms. Work done by a certified electrician.
After that, our lights started to strobe on and off. NOT FLICKER. Strobe. I have a video that shows what the light is doing, and what the dimmer is doing (too large to upload). Comes on fine, then cuts out and comes back on, over and over. Cutout is hard, but coming on is smooth as per Maestro usual. Will continue indefinitely. It's happened on EVERY Maestro dimmer we have now, even on circuits the electrician supposedly did not touch.
I contacted Lutron's wonderful support team, and they advised me that this likely reflected a new problem with the neutrals back to the panel: "When 2 lighting circuits share the same neutral back to the circuit breaker and 1 of them is turned on or even dimmed, it can backfeed power up the neutral to the other lighting circuit."
The electrician swears all his wiring is FINE. The company has spent 6+ hours checking their work.
Anybody got ANY ideas? Help most appreciated. Ideas, tests, troubleshooting most welcome.
randy427
geoffrey_b
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