JCM Part No . 960 - 000076R _ Rev . 1 © 2007, JCM - American Corporation A - 7 Troubleshooting World Bill Acceptor (WBA® - 1x/2x - SS & SS2) Appendix A Transport Sensor Test (PH07) Perform the following steps to enter the Transport Sensor Test: 1 . Enter diagnostic mode DIP Switch 8, ON and apply power 2 . Turn DIP Switch 7, ON and turn DIP Switch 8, OFF . This activates the transport sensor test . DIP Switch No . 7 will now be used as the Enable/Disable Switch for these tests . Figure A - 2 illustrates a top and bottom view of the WBA2X Head Sensor Locations . Figure A - 2 WBA 2X Head Sensor Locations Bill Feed - in Direction UPPER LOWER Bill Feed - in Direction NOTE: Use the test LED/Bezel to check the status of the sensor being tested, either blocked or un - blocked . The LED will light when the light path of the sensor is interrupted (blocked) . Table A - 7 WBA - 1X/2X Transport Sensor Test DIP Switch Setting Chart DIP Switch Positions Sensor Being Tested 8 7 6 5 4 3 2 1 OFF E/D * X Entrance Sensor OFF E/D X Solenoid Lever Sensor OFF E/D X Feed - Out Sensor OFF E/D X Stacker Home Sensor (S1) OFF E/D X Cash Box Sensor (S2) OFF E/D X Validator Encoder Sensor OFF X Stacker Encoder Sensor OFF E/D X X Acceptor Head Detached * . E/D = Enable/Disable . X = ON Transport Sensor Test Table A - 7 provides a DIP Switch setting chart for performing the WBA - 1X/2X Transport Sensor Tests .