I have a residential customer that I put Diva dimmers in a few years ago. They called and said that last night the lights on one dimmer flashed very bright,like a flash bulb, 3 or 4 times and then went back to normal. They are LED bulbs, and all seem to be working now. I have never seen that on a Diva before, and I am thinking it might be a PoCo working on the wires issue. Anything in the house I should check? Anybody see this behavior before? thanks in advance.