Hydrollic light on engine 2 panel.
This was my first time flying mjc q400 since I moved from fsx:se to p3d 4.5, and upgrading to mjc pro fsx to p3d 4 mjc pro. I started with cold n dark. After loading the plane I turned on the master battery switch, then the hdy light on #2 engine overhead panel started flashing between on and off. It should be off. Nothing I did could stop it. I've restarted several time, but no luck.