Panasonic ARC ES-LT3N was released in April 2015. The sure-grip handle provides ergonomic comfort, and advanced 3D Multi-Flex Pivoting Head that moves up-and-down, side-to-side and back-and-forth to conform closely to facial contours for more efficient shavings.
If the outer foil is getting hot check to see if it is damaged or deformed. If so it needs to be replaced. Also, the razor may not operate if it is in an environment that is lower than 41 degrees F (5 degrees C).