Try installing a new dimmer like the lutron caseta making sure to turn off power from the circuit breaker before doing any wiring work.
Lutron caseta switch light blinking.
We found the best way to try and reduce or eliminate this from happening is to set the low end trim of the dimmer a little higher.
Upgrade your home lighting system with caseta by lutron.
Swapping your bulbs for smart ones adds up.
Lutron offers hundreds of choices in stand alone dimmers and switches.
Save money and keep your design options open by putting smart lighting control at the switch with caséta by lutron.
The leds are these from wac lighting.
Make the smart bulb switch.
When i turn the lights on by hitting the on switch they flash on and off about once a second like a very slow strobe light.
When we tested that bulb we did notice the lights occasionally flashing on when the caseta dimmer was turned on.
Our smart home light switches and dimmers work with your voice assistant or smart phone.
All six lights are controlled by a single switch.