Quoted from Pincraze:The balls are not starting on ball 1 when starting a new game.
When playing 2 player game, scoring sometime starts with 2nd player first.
Light for payer 1 up goes in and out.
This could be a mechanical or electrical problem.
1) Does the Ball Count unit operate smoothly up and down when you activate the solenoids maually?
2) Does the Ball Count unit Reset solenoid activate reliably when you reset the game?
Quoted from Pincraze:The gate that saves the ball from draining
does not reset at end of ball.
The Trough switch is responsible for resetting the Gate relay.