This was a mid 80's pellet stove. Has a controller board by KWM Electronics Corporation, 121386C. I need info on this board. It has (2) 3-position switches on back (like dip switches), for setting Feed Time & Cycle Time. I move them, but no change in timing occurs. I would like to get the auger to stay on longer. The pot set to max only gets me 7 seconds. A manual or data sheet on the controller would be helpful, thanks!