Dear Friends, i could not start with New CRJ. Battery not working. EFB pad not working. Every display is dark. Noseweel turned to the left, aelerons and rudder not working. I have made 3 attemts and wait about 15-20-70 minutes and there is no changes. What is the problem? Even i try to set up with engines allredy starting at the line up , i made a visual flight around the airport. but all instruments and displays were dark.