I'm brand new to Lionel O gauge so please excuse the terminology if I'm using it wrong.  I bought an off the shelf LionChief set, some extra track and a few switches and set up in the basement.   Everything ran fine for two weeks.   Today, I plugged in the power and the locomotive began running at high speed without the remote on.   The locomotive wouldn't move though, the traction wheels just spun in place.  I unplugged, waited a few minutes and tried again.   Same thing.    I don't see anything visible that would cause this, track is clean, power is clean, no shorts etc.    Help!!!

I think the control board in the locomotive has failed. 


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