Check magnet under clowns. Measure at main board J8, J9, or J10 for 0v. Reference ground from black/white or black wire on J8, J9, or J10. If 5v present, magnet is not engaging CG2012BLX sensor below clown or the harnessing between the main board and the sensor is broken. This information can also be used for troubleshooting clowns not scoring.