JCM Part No . 960 - 000076R _ Rev . 1 © 2007, JCM - American Corporation A - 2 Appendix A World Bill Acceptor (WBA® - 1x/2x - SS & SS2) Troubleshooting Bill jams occur often . Drive belts are dirty or damaged . Clean all drive belts and pressure rollers . Replace as necessary . A pressure roller spring is loose or missing . Check all pressure roller springs using a finger press test . Replace as necessary . A foreign object is lodged in the Transport path and/ or inside the Cash Box . Clean the Transport path and remove any foreign object discovered . The Acceptor Unit is not properly seated all the way into the frame (the Acceptor Unit latch release levers are not locked onto the frame) . Re - seat the Acceptor Unit back into the frame so it is firmly seated all the way back into the frame so the Acceptor Unit release lever latches securely lock onto the frame . Bill is wider than 85 mm or narrower than 62mm (out of WBA Bill width specifications) . Use only bills widths having the correct WBA size specifications . Low acceptance rates . Dirt and/or stains on the rollers, belts and lenses . Clean the Transport path . Refer to the Section 2 Cleaning/Preventive Maintenance procedure . The unit has been dis - assembled and re - calibration adjustment has not occurred following re - assembly . Make sure to readjust the sensors after reassembling the WBA Unit . Refer to the of Section 6 . The wrong software or an old version of the software being used . Make sure that the programmed Flash or EPROM mem - ory software is the latest version, and it supports the cur - rency values and country allowing acceptance . Software not designed to accept current Bills Check the particular specifications for the required Bill type acceptance, and make sure the bills will be accepted by the software loaded (i . e . , check denomination/issuing year, etc . ) . Sensor lenses are loose or missing . Sensor lenses require re - positioning . Contact JCM Technical Support . All bills being rejected . Incorrect software (different currency type) . Download the correct software for currency being accepted . Refer to “Forced Download Mode” on page A - 9 of this Section regarding Software Downloading . Bills are not being accepted by the software . Make sure the bill values required are included in the soft - ware specifications (i . e . , denominations/issuing year, etc . ) Incorrect DIP Switch settings . Enable all denominations by setting all DIP switches to OFF . Bill acceptance is being inhibited by Host Controller command Enable Bill acceptance for the required Host command . Upper/Lower Sensor Board failure . Change the Upper or Lower Sensor Board with a known good board . Refer to Section 4 regarding Circuit Board Removal . Unit was disassembled and re - calibration did not occur following reassembly . Recalibrate all WBA Sensors following reassembly . Table A - 1 General Fault Conditions (Continued) Symptoms/Error Messages Possible Fault Causes Corrective Action Required