I have jrmi with nce sb3a hooked up and trying to run trains with iPhone it always worked before but will not work now it says it working but train will not do anything works with controller show iPhone is connected nce usb controller shows its working the red litghts work when sending commands but train does nothing
Did you update recently? Try looking in your connection preferences and see if all the presets were reset to internal instead of NCE? It's under preferences/defaults/ it lists which system does throttles/power control/command station/programmer.