Sky Chieif N Scale Engine

[JMOlshefski]

Engine just stopped, there is power on track, engine is just dead (second time) first returned to Hobby Lobby?  Is there any Warranty?

[JMOlshefski]

Does anyone have any ideas, very frustrating, everything was working fine, I left room came back engine dead, I know track has power, light on other rail car work fine?