Newer ledsLEDs malfunction in the same way. I I have had to reinstallre-install one incandescent in a circuit of two or more lamps. In In this case all the ledsLEDs stay on steady at a low level. When I put in an old bulb problem solved. In
In another case the light switches had the neon find the switch in the dark-the-switch-in-the-dark toggles. cflsThe CFLs went crazy. One, and one incandescent fixed it. Ed. BPI Professional