I have 2 hs210 switches at the beginning and end of a series of switches, with a dumb switch in the middle, with 2 black and 2 red wires and 1 ground. If i turn off the middle switch it cuts power to

When turning on the HS220 dimmer, it goes from dim to bright and then goes off for a fraction of a second and then back on to full. This happens with two fixtures, a chandelier with 5 dimmable LED bul