Scott G Chicago , IL February 02, 2022 Appliance: Frigidaire Dishwasher FFBD2409LS0B Frigidaire Dishwasher Ffbd2409ls0b / : Dispenser not opening. How to replace Control Board. Replaced the dispenser, but this did not solve the problem. Then came here for a replacement of the circuit board. It was a very simple exchange of parts as long as you take good pictures of what it looked like. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes