JCM Part No. 960-000097R_Rev. 3
© 2010, JCM American, Corporation
A - 4
Appendix A
Universal Bill Acceptor (UBA-1x-SS & x4-SS-SU)
Troubleshooting
Table A-3
Communication Fault Conditions
Symptoms/Error
Messages
Possible Fault Causes
Corrective Action Required
Cannot
communicate with
host.
DIP Switch settings are
incorrect.
Set all DIP Switches to OFF.
Connectors are off or
loosely connected.
Firmly reconnect all of the communication connectors.
Damaged connector pins.
Check for any bent, missing or damaged pins in the connector
plugs and mating receptacles.
CPU Board is corrupted.
Exchange the CPU Board with a known good one. Refer to
“Circuit Board Removal” on page 4-3 of Section 4of this Manual
regarding Circuit Board Removal.
Incorrect Interface.
Verify that the correct interface between the Host machine and
the Bill Acceptor is being used.
Acceptor Head Failure.
The ICB Board is not installed on the CPU Board.
Install the ICB Board.
The ICB Board is installed incorrectly. Check that the PLUG
Number on the ICB Board and SOCKET Number
on the CPU Board agree. Reinstall the ICB Board in the
correct direction.