Hello. Looking for some assistance with a rather unique problem.
I have 5 Lutron Caseta dinners in my house. 4 standard Caseta dimmers - 1 in MBR, 1 in Family Room, 1 in Living Room, and 1 in a stair area. 1 Caseta Pro dimmer with neutral connected in the kitchen due to load being >150w. LR/FR/Stairs have FEIT LED 5" retrofit can lights (CELEDRT56/850/927/2), kitchen has a higher wattage 5" (LEDR56/827 I believe) and the bedroom has 4". No issues with bedroom.
The problem started when the Pro was installed in the kitchen. When the kitchen lights are off, everything is fine. When the kitchen lights are on, the lights in the living room, family room, and in the stairway area all flicker when off. The flickering is much more pronounced when the kitchen lights are dimmed but still happens when the kitchen lights are on full. If I remove a Caseta from the living room for example and put a regular switch back in, no more flickering in the LR. The only lights that flicker are 5" lights on a Caseta dimmer, but only when the pro is installed. If I remove the Pro, no flickering anywhere. Pulling out the FASS on say the LR lights lowers the flickering but does not eliminate.
My electrician has not seen this before but admittedly has not had a lot of experience with the Lutron Caseta dimmers.
Another oddity, I have four small LED stairway lights. We put in a Caseta switch to control those lights. When off, the LED's emit some light. When I pull the FASS out on the switch, then they dim and eventually fade out. I push in the FASS, they light up again. When I turn on the switch, they light up full power. These lights are not affected my the kitchen lights with the Pro dimmer. This happens whether or not the kitchen lights are on.
In another forum, it was suggested to use a LUT-MLC. None of my dimmers came with this and a post in this community stated it wasn't tested with Caseta. Would this go on each circuit that's flickering? I'm happy to buy and try but it seems to not be readily available to consumers.
Thank you in advance for your help.