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Lutron Caséta dimmer flickering with LED bulbs

by TechSavvyHomeowner• 11 replies• 17190 views
Hey everyone, I'm hoping to get some help with a frustrating issue I've been dealing with for the past few weeks. I recently installed several Lutron Caséta dimmers (PD-6WCL-WH) throughout my home to replace standard toggle switches. The installation went smoothly, and I got them all connected to my Smart Bridge Pro without any issues. However, I'm experiencing significant flickering with my LED bulbs, and it's driving me crazy. Here's my setup: I have a combination of different LED bulbs throughout the house. In the living room, I'm using Philips 9W dimmable LEDs (about 6 bulbs on one circuit). In the dining room, I have some Cree 60W equivalent dimmable bulbs. The master bedroom has FEIT Electric dimmable LEDs. All of these are advertised as dimmable and were working fine with my old dimmers (basic Leviton dimmers that came with the house). The flickering happens in a few different scenarios. First, when I dim below about 40%, the bulbs start to flicker noticeably - it's not a subtle thing, it's very visible and annoying. Second, sometimes when I turn the lights on from the Pico remote, there's a brief flash or flicker before the lights stabilize. Third, occasionally at higher dim levels (around 70-80%), I notice a very subtle pulsing that's more noticeable in my peripheral vision. I've already tried a few things based on some initial research. I adjusted the low-end trim on the dimmers using the tap-tap-tap-hold method to raise the minimum level, which helped a little bit but didn't eliminate the problem. I also made sure all my neutral wires are properly connected (these are the newer Caséta dimmers that can work with or without neutral, and I do have neutrals available and connected). I've read that Lutron maintains a compatibility list for LED bulbs, but I'm confused because some sources say any dimmable LED should work, while others suggest only specific bulbs are truly compatible. Do I really need to replace all my bulbs with ones specifically on Lutron's compatibility list? That seems like a significant additional expense on top of what I already spent on the dimmers. A few specific questions for the community: 1. Is this flickering normal to some degree with LED bulbs and Caséta dimmers, or should I expect flicker-free operation? 2. Has anyone had success with the specific bulb brands I mentioned (Philips, Cree, FEIT)? 3. Are there any other adjustments or settings I should try before replacing bulbs? 4. If I do need new bulbs, what brands/models have worked best for you with Caséta dimmers? I really love the Caséta system otherwise - the app works great, the Pico remotes are fantastic, and the whole family has adapted to using them easily. I just need to solve this flickering issue to make the system perfect. Any advice would be greatly appreciated!

Replies

SmartShadeMaster
SmartShadeMaster24578 hours ago
I went through this exact same journey about two years ago when I first installed my Caséta system. Here's what I learned: the Lutron compatibility list is your bible. I know it feels like an unnecessary expense, but I ended up standardizing on Philips Warm Glow bulbs throughout my entire house, and every single flickering issue disappeared overnight. The specific model that works perfectly for me is the Philips 548396 - they're on Lutron's list and they dim beautifully down to very low levels without any flicker or buzz. I can dim to about 5% with zero issues. The warm glow feature is also nice because the color temperature shifts warmer as you dim, similar to incandescent. Yes, I had to replace probably 40 bulbs, but I bought them in bulk from Amazon and the cost was manageable. Trust me, once you experience proper flicker-free dimming, you won't regret the investment.
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LutronFanatic
LutronFanatic25226 hours ago
This is a super common issue and the answer is almost always bulb compatibility. Lutron's compatibility list exists for a reason - not all "dimmable" LEDs are created equal. The drivers inside cheap LEDs often don't play nice with leading-edge or trailing-edge dimmers. I'd strongly recommend checking Lutron's official compatibility tool and getting bulbs that are specifically tested. In my experience, the investment in quality compatible bulbs is worth every penny for flicker-free operation.
HighEndIntegrator
HighEndIntegrator25010 hours ago
Have you tried adjusting both the high-end AND low-end trim? Sometimes the high-end trim adjustment can help with that pulsing you're seeing at 70-80%. Also, how many watts total are on each dimmer circuit? The PD-6WCL is rated for 150W of LED, and if you're close to that limit, you might see some issues.
TechSavvyHomeowner
TechSavvyHomeowner24986 hours ago
Thanks for the quick responses! I calculated my loads and the living room with 6 bulbs at 9W each is only 54W total, so I should be well under the limit. I haven't tried adjusting the high-end trim though - I'll give that a shot tonight.
Control4Enthusiast
Control4Enthusiast24722 hours ago
FEIT bulbs are notorious for flickering with Caséta dimmers. Replace those first and see if it helps. Cree has been hit or miss in my installations.
DIYSmartHome
DIYSmartHome24482 hours ago
Quick tip - make sure you're not mixing bulb brands on the same circuit. Even if each brand works individually, mixing them can cause weird interactions. Try putting all the same bulbs on one dimmer and see if that helps.
Ra2SelectUser
Ra2SelectUser24314 hours ago
The flash on startup you mentioned is often related to the dimmer's fade-on rate. You can adjust this in the Lutron app under device settings. Try setting a slower fade-on time and see if that eliminates the initial flash.
TechSavvyHomeowner
TechSavvyHomeowner23786 hours ago
Update: I adjusted the high-end trim and changed the fade-on rate as suggested. The startup flash is gone now! Still have some flickering at low levels though. I think I'm going to bite the bullet and order some Philips Warm Glow bulbs for the living room as a test.
AutomationPro2020
AutomationPro202023642 hours ago
Good call on testing with one room first. Also worth mentioning - if you have any bulbs that are old or have been in service for several years, their drivers can degrade and cause flickering even if they worked fine before. LED bulbs don't last forever despite the marketing claims.
LutronFanatic
LutronFanatic23522 hours ago
Let us know how the Philips Warm Glow test goes! I'd bet money that solves your problem completely.
IxomeAI
IxomeAI23513 hours ago
Our AI agent can walk you through a personalized troubleshooting flow in real time. Feel free to escalate this thread or start a new chat for tailored guidance!

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