If you look on the left side of the video you can see the life bar is pulsing back and forth, any ideas what could be causing this on a Kortek 3414-DF? Not sure how I would describe this particular issue when it comes to looking for a fix.
https://www.youtube.com/watch?v=viZD1bixDrs
https://www.youtube.com/watch?v=viZD1bixDrs