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Thread: Lutron Maestro MACL-153M dimmer

  1. #1
    Junior Member
    Join Date
    Mar 2018

    Lutron Maestro MACL-153M dimmer

    Hi, I have twelve Lutron Maestro MACL-153M dimmers in use at my residence without any issue. They are an excellent product. However, I just installed an LED ceiling fixture and installed another Lutron Maestro MACL-153M dimmer to control the fixture. When I turn the dimmer switch off, the light still glows...albeit very dimly. Is there any way to rectify the situation? The light has dimmable LED's. I've contacted the manufacturer (Feiss) and they were not able to offer a solution. I've read where there is low current that passes through these digital switches, even in the off position that may be the culprit. Is there anything else I can do? I don't experience condition with any other application in my residence. If not, are there any safety risks?
    Thanks, in advance, for any suggestions.

  2. #2
    Senior Member
    Join Date
    Oct 2013
    It's not a safety issue but you are reducing the life of the LED. Electronic dimmers do bleed some current to power the electronics when the load is off. However, I think it is more likely you are getting some interference on the neutral. It wasn't that long ago that every neutral in each box was tied together. Magnetic ballast were notorious for dumping noise on the neutral and preventing the dimmer from completely turning off.
    If this is the case, the fix is to go to each box and separate the neutrals by circuit.
    LED, Incorporated
    Raleigh, NC 27614

  3. #3
    Junior Member
    Join Date
    Mar 2018
    Thank you very much for offering your advice randyc. I'll look at the neutrals and let you know how I make out!

  4. #4
    Junior Member
    Join Date
    Apr 2018
    Did you try to turn off nightlight mode? I got the same problem with the multi-location dimmer macl 153 but that solved it.

  5. #5
    Authorized Lutron Contributor
    Join Date
    Jan 2018
    Hello token 1,

    Thank you for your post!

    Deeson and randyc are both correct. Below is a link to the programming guide to try disabling the nightlight on the MACL, this will reduce the amount of power draw, but minimally:

    If either of their solutions do not work we have four other solutions:

    The first is replacing one LED with an incandescent or halogen bulb. Incandescent bulbs in essence act like sponges absorbing the current leakage and should make the lights turn off. However, the color temperature and lumen output will more then likely not match.

    The second solution is using an LED on our LED compatibility tool, This tool has all of the tested and approved LED bulbs for the MACL, these are specifically tested for the ghosting and will not have this issue.

    The third is changing the MACL to a analog dimmer such as the DVCL-153P. This has no power draw in the off position and fully turns off the circuit, this is a guaranteed solution to resolve your issue.

    The fourth issue is changing the MACL to a neutral based dimmer such as the MRF2S-6ND-120. The neutral helps to bypass some of the power draw from going to the LEDs, this typically alleviates the issue, however we cannot guarantee this solution.

    Hope this helps!

    Julia K.

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