Composition off screen - hand tool wont work

Shift + / will fill the comp panel. It looks like the Magnification factor for the Composition Panel is set to a very low percentage. 

If that does not do it try double-clicking on your workspace in the toolbar or use the Window/Workspace/Reset Workspace menu.

restarting or resetting preferences didn't work but holding down shift while dragging with the had tool somehow worked. I'm unable to reproduce what happend though. Anybody got any ideas what happend?