@Rayin"S" posted:Hi Chris,
You might pull the shell on one of the engines to see if the run/program switch is connected to the board, maybe a bad solder joint or broken wire.
Ray
@GGG posted:Thru tiu so first test just tmcc base. If that works what cable used and what version of tiu. Does tmcc base power supply have good earth ground. G
Ray, happens with any engine that I try to program. I would assume that, but not so many engines.
George, no cable. Just ground going from transformer to command base.
Tried with multiple sets of batteries as well.