Help - xpro2 rear screen turns off when playback button is pressed

As the title states, tonight upgraded to 1.02 firmware tonight, also tried my nissin i40 flash on for first time, since I had the cam from last weekend, but now when I press the playback button to view images, it turns the screen off, and I can only view the playback of images in the viewfinder. Not sure if I may have accidentally pressed something to do this. LCD screen works to take pictures, but cant find in the menu how to reset settings

Cheers

Brian