Sears Kenmore range model 790.96021400 , serial VF43341697 is flashing F11. Unplugged with no change. This is an old model, are there parts available? Yes you can still get the board. You can get them on ebay used or you can get it new although fairy expensive. The part original part number you need to search for if looking on eBay is 316418208. If you want a new one search for this number which is the new replacement number 316557118.