I had this problem with the new Acela. Before returning for repair:
1) Change transformer/power source. Strangely, replacing my ZW with the Lionel PH180 or MTH Z1000 solved the problem.
2) Ensure minimal resistance between power source and track. Temporarily add wires between power and track.
3) Reset Procedures – If the engines fail to respond to commands (e.g., cab light blinking because its software “thinks” there is a motor binding issue), try to reset the engines. Here are two reset options:
Reset option #1 when continuous one-blink error code occurs: (Idea thanks to @MineRun) This “unbinds” the motors to the satisfaction of the engine software
- Hit reset (“R” with octagon around it) to turn off the blinking cab light,
- Press down the 'boost/brake' wheel to reverse the direction,
- Turn the speed wheel clockwise to back the engine up ever so slightly
- Reverse direction again
- Turn speed wheel again to move forward
Reset option #2 for general reset:
- With power on track, press the “R” with the octagon around it. The engine should respond with a short whistle.
- Turn off power to track
- Turn off command base power to stop TMCC/Legacy radio frequency from reaching the track
- Wait about 30 seconds.
- Restore command base power
- Restore track power.
- Turn speed wheel to move forward
