Just built an express from the last coop. When ever it loses its dmx signal all sorts of lights come on. Some flash or blink, some are at different intensities and a couple are off. It never really does the same thing twice, it is completely random. I have only one power cord attached and all 16 channels somehow have power. I did not think that they would come on if there was not a jumper attached, and I did not do the power mod. As soon as I plug the dongle back in they all go off and it appears to work normal. I have been running xlights tests and sequences. It works perfectly until I unplug the dongle or data cable. This is so strange to me. I think it will work though.