9) BALL IN SENSOR ERROR [E.73]
▶SOLUTION
1 HOW TO TEST :TEST MODE → BALL IN TEST
Insert the ball into the inlet and check the sensor operation status at the 4th digit of TICKET FND
( Increases sequentially according to the number of inputs )
Detected sensor : increase in number , non-detected sensor : No change in number
2 Check connection of sensor connector ( CHECK 1 )
3 Check assembly status of sensor ( CHECK 2 )
4 Check the dc voltage ( SENSOR PCB ) : PIN 1 : over 4.5V , PIN 2 : below 0.5V , PIN 4 : GND ,