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MTH Imperial Big Boy PS2 problem

Hi Guys, I've got a problem with my PS2 Big Boy (30-1514-1) in that it appears to be locked in neutral. Trying to unlock with whistle + three bells had no effect. Ditto factory reset. It was running perfectly and a couple of days later it fired up okay, but wouldn't move. Lights on, smoke on, cab chatter and boiler sounds etc all okay, but won't move. Put it in reverse (DCS controlled) and the reverse light comes on and the smoke stops. Forward position and smoke starts, but still won't move. I've taken both bodies off and can't see anything obvious. Turned motors by hand, wheels and motion all move smoothly - no binding. Disconnected all electrical plugs and reconnected - no change. Tether connections seem all okay too. Not a track or circuit problem because it's been tested off-layout on brand new track. Any ideas for a simple fix? My Y6b blew it's boards about a year ago and I went down the ERR / TMCC conversion which was a great success, but I'd rather keep this old girl original as she sounds and smokes really good. Helpful suggestions gratefully received!

Original Post

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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