Issue

Sounds like an internal motor lead or other wire is pinched to chassis and putting DC on the track causing bell to activate.  G

@Jeff David posted:

My mth amtrak f40ph ps2 bell keeps ringing by itself I touch bell button on my transformer to turn it off it doesn't respond sometimes after that it starts ringing again do I need to get a new transformer or anything else that could fix that issue

Your topic title leaves a pretty broad field.  perhaps an edit may elicit more response.