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Thread: MACL-153M with 3 MA-R w/phillips warm effect bulb - dimming issues

  1. #1
    Junior Member
    Join Date
    Mar 2021

    MACL-153M with 3 MA-R w/phillips warm effect bulb - dimming issues

    I have a circuit with a Maestro master and 3 Maestro companions controlling three phillips warm effect LEDs (5.5W each). Worked fine for 1 month, now the lamps are stuck in a very low dimming range, they do not reach full brightness. They do turn off though.Any suggestions for troubleshooting? I have run the dimming trim procedure several times with no luck. Is this likely a bulb, dimmer or wiring issue?

  2. #2
    Authorized Lutron Contributor
    Join Date
    May 2013
    We're sorry to hear about your experience with the MACL-153M. The dimming range for LEDs varies from bulb to bulb depending on the bulb's design. That's why we engineered our LED+ (formerly called C·L) dimmers with a low-end adjustment, which allows you to adjust the dimming range of your LED bulb. For easy step by step instructions for adjusting the dimming range, please see step 7 on the following guide: also suggest making sure we've tested and approved your dimmable LED. Lutron offers a mobile-friendly web tool to help you select bulbs that work best with Lutron dimmers. To use the tool, please visit you have additional questions or concerns, we're happy to help. Please reach out to our Customer Support team at, or call us 1-844-LUTRON1. We're here 24/7, so please call us any time!Mike S. @ Lutron Support

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