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TROUBLESHOOTING
Symptom Possible Cause(s) Solution
All Interfaces
Check the character length
lock.
The aspect ratio of the bar
code is out of tolerance.
The bar code may have
been printed incorrectly.
Check if it is a check digit, character or border problem.
The scanner is not
configured correctly for this
type of bar code.
Check if check digits are set properly.
Scanner beeps at some
bar codes and NOT for
others of the same bar
code symbology.
The minimum symbol length
setting does not work with
the bar code.
Check if the correct minimum symbol length is set.
RS232 Only
The com port at the host is
not working or is not
configured properly.
The cable is not connected
to the proper com port.
The unit powers up OK
and scans OK but does
not communicate properly
to the host.
The com port is not
operating properly.
Check to make sure that the baud rate and parity of the
scanner and the communication port match and the program is
looking for RS232 data.
The host is receiving data
but the data does not look
correct.
The scanner and host may
not be configured for the
same interface.
Check that the scanner and the host are configured for the
same interface.
Characters are being
dropped.
The intercharacter delay
needs to be added to the
transmitted output.
Add some intercharacter delay to the transmitted output
by using the MetroSelect Configuration Guide
(
MLPN 00-02407x).