Honeywell MK3780-31A62 User Manual - Page 28

TROUBLESHOOTING GUIDE Symptoms Possible Cause(s) Solution All Interfaces The unit scans a bar code, but locks up after the first scan (the white LED stays on). The scanner is configured to support some form of host handshaking but is not receiving the signal. If the scanner is setup to support ACK/NAK, RTS/CTS, XON/XOFF or D/E, verify that the host cable and host are supporting the handshaking properly. The unit scans but the data transmitted to the host is incorrect. The scanner's data format does not match the host system requirements. Verify that the scanner's data format matches the format required by the host. Make sure that the scanner is connected to the proper host port. Scanner beeps at some bar codes and NOT for others of the same bar code symbology. The bar code may have been printed incorrectly. The scanner is not configured correctly for the type of bar code. The minimum symbol length setting does not work with the bar code. Check if it is a check digit, character or border problem. Check if check digits are set properly. Check if the correct minimum symbol length is set. 24