A little more info......when the board gets to where its hot, the doors open and close too fast. When we put the new board from World in, the doors would work ok when we would try it without the hoistway door engaged but as soon as we tried it with the hoistway door engaged it would open about a foot and then just stall out like it has no torque. None of the adjustments seemed to help so we put the old board back in so that we could at least get the doors to function period.