Melinda S Pell City , AL August 22, 2014 Error code f 01 on our duet electric dryer Removed old mother board that clearly had blown a part . There was black on several of the components. Installed the new board and it was good as new. Only took approximately 15 minutes to complete. Beats buying a new one for 800.00 8 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes