Every so often, the 1010 header on our 2188 will stop lifting or lowering and the reel will stop turning. I have noticed that when this happens, the display shows that the engine rpm is at 0. Usually we just have to throttle back and it will show again and everything will work. We have a new RPM sensor on order, but I was wondering if anyone else has had this problem. Maybe there is something we are overlooking?