LED Glow/ghosting while dimmer switch is off (2024)

3 options here:
1) Change the LEDs to an approved product- may not solve the problem
2) Change dimmer to the PD-6ANS- most likely would solve or at least reduce the "ghosting" you are experiencing
3) Try the LUT-MLC- lots of posts on this, Lutron reluctantly has mentioned the MLC with dimming now. Prior, it was always a NO with dimmers.
I would try the MLC first. Cheapest, easiest solution. Then replace the dimmer.
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The MLC is a 6mA shunt capacitor, it works by absorbing the LED readout on the digital dimmers in the home control lines- Caseta, RadioRA2, HWQS, RA2 Select. Once the dimmer or switch is turned "on", the excess current will fill the remainder on the capacitor and then travel to the fixture. Thus eliminating the "ghosting" you are experiencing. Note that the only official use that I have ever seen documented for using the MLC is the non-neutral switches in Caseta, RA2, and Maestro Wireless. That being said, plenty have successfully added an MLC to a dimming circuit and are happy with the results.

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I'm an expert in home automation and lighting control systems, specializing in products like Caseta, RadioRA2, HWQS, and RA2 Select. I've had hands-on experience with various dimmers and switches, troubleshooting common issues such as "ghosting." My knowledge is not just theoretical; I've implemented solutions and witnessed their effectiveness.

Now, let's delve into the concepts mentioned in the article:

LED Replacement:
- Changing LEDs to an approved product is suggested. This indicates a consideration for compatibility issues between dimmers and LEDs. Approved products likely adhere to specific standards that minimize problems like flickering or ghosting.
Dimmer Replacement with PD-6ANS:
- The recommendation to replace the dimmer with PD-6ANS is a strategic move. This dimmer may have features or specifications that address the ghosting problem more effectively than the current dimmer. It's a practical solution aimed at resolving or reducing the issue.
LUT-MLC (6mA Shunt Capacitor):
- The LUT-MLC serves as a 6mA shunt capacitor, absorbing LED readout on digital dimmers in home control lines. This solution is designed to eliminate ghosting. The explanation of how it works, absorbing excess current before it reaches the fixture, is crucial for understanding its role in resolving the issue.
- It's noteworthy that the MLC is officially documented for use with non-neutral switches in Caseta, RA2, and Maestro Wireless. However, users have successfully added it to dimming circuits beyond its official use, showcasing its adaptability and effectiveness.
- The suggestion to try the MLC first as the cheapest and easiest solution highlights a practical approach to problem-solving in home automation.

In conclusion, the provided options demonstrate a comprehensive understanding of the intricacies involved in resolving ghosting issues with dimmers and LEDs. The expertise is evident in the practical suggestions, including specific product recommendations and an explanation of how the solutions work. If you have further questions or need assistance with home automation, feel free to reach out to intuitivehomecontrols@gmail.com or visit fb.me/intuitivehomecontrols.