Several MTH locomotives I try to run all have the same issue. They don't like to exit reset and go into forward. I will slowly raise the throttle and the locomotive will power on and sound 2 dings of the bell as it should. I let it sit for several seconds to finish doing checks and then I'll slowly lower the throttle to off and raise it back up again, which should cause the locomotive to go from reset into forward and start moving. Instead of going into forward and starting to move, these problem locomotives will just go back into reset and sound the 2 bell dings again. No matter how many times I lower and raise the throttle, they always stay in reset. I had this issue on many locomotives but usually just replacing the battery will fix it. There are a few left that still behave this way even with a brand new battery installed and I'm stumped.
All loco's with this issue have a new battery and I use a MTH Z-4000 transformer to power the layout.
