I installed a VPT24-1P and now light is very dim and when I turn it off it blinks rapidly and the switch makes a loud clicking sound. When I leave it on, after a few minutes it will also blink on and off rapidly. I am using an LED light but, from what I have read, that shouldn't matter. I read somewhere that if the neutral is wired with several other neutrals, it can cause problems. I am using this switch as a single pole wiring, wired along with two other three way switches in the same box. I would appreciate any advice.