I have a Harman Invincible Insert from mid 90's. The stove took a power surge from the generator, burning something out ! I only have looked at the board so far. I haven't pulled the whole unit out yet. The board has a fuse on it which I changed and plugged in and fuse blew right away. Does any one know if there is a voltage regulator before control board. I don't recall seeing it or do you think control board is fried. Any help would be appreciated !