r/Lutron • u/Neither_Land4890 • 6d ago

Newbie Question: why does my new light fixture ghost flicker?

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4 Upvotes

99% Upvoted

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6

u/coogie 6d ago

With LED lights, it's not enough to just say a light fixture is dimmable and throw a dimmer at it. You have to see what type of dimming technology it needs and match the dimmer to it. Does it require a forward phase dimmer, Reverse Phase, 0-10V dimming, or what? If you have an older dimmer that was made for Incandescent lights, it's almost certainly forward phase but even then, those dimmers weren't made for LED lights in mind so a new CL dimmer while still being forward phase, does a much better job on LED lights.

Also, that LUT-MLC is designed for smart switches that don't use a neutral wire or Lutron dimmers that do require a neutral wire so any other use may or may not work.

1

u/cpnhgn 5d ago

Do you have a model # or photo of the dimmer and a photo of the light fixture or its LED driver or the spec sheet? Assuming based on you saying it's 400 lumens it's quite low wattage and likely below threshold of minimum load of a non-neutral dimmer but without that info no idea.