@Bogart posted:I believe the flashing green light indicated a short somewhere. Are these units on the bench or connected to tracks?
Nope; flashing green light does not show a short. These are just sitting on the table right now; not connected to anything.
Check the instructions above. They say after you press the 3 buttons, the green light is supposed to start flashing.
Later tonight I'll try by connecting to a test track.