Datalogic Scanning DLL2020-WO - Manual (Page 30)

26 Appendices
The green LED stays on.
A bar code is read by the scanner but
not accepted by the host system.
Diagnostic Tips
The scanner is continuously seeing a bar
code. Remove all bar code labels from the
scan volume of the scanner and try again.
The scanner cannot send the data to the
host system. There is no proper
handshaking between the scanner and the
host. Scanner buffer is full. Make sure that
all cables are connected and your host
system is ready to receive data.
The scanner is in test mode.
Power off and on the scanner
The communication cable is not connected
to the serial port of your host system.
Refer to the manual of your host system
to locate the serial port.
The communication settings of the host
and scanner do not match. Ensure that the
setting value for both devices are the same.
For proper adjustment values see the
Configuration Guide.
The communication cable does not suit
your host system. Contact your supplier for
the correct communication cable.
The data format is not supported by the
software running on the host system.
Problem