If you suspect a faulty control board, try the following troubleshooting steps:
1. Turn off the dishwasher and unplug it from the power source.
2. Remove the control panel cover to access the control board.
3. Inspect the control board for any visible damage, such as burnt components or loose wires.
4. If there are no visible issues, use a multimeter to test the control board for continuity.
5. If the control board fails the continuity test or shows signs of damage, it may need to be replaced.