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91
TROUBLESHOOTING
Symptom Possible Cause(s) Solution
All Interfaces
The unit is trying to
scan a particular
symbology that is not
enabled.
UPC/EAN and Code 128 are
enabled by default. Verify
that the type of bar code
being read has been
selected.
The unit powers
up but does not
scan and/or beep.
The unit has been
programmed for a
character length lock or
a minimum length and
the bar code being
scanned does not
satisfy the programmed
criteria.
Verify that the bar code that is
being scanned falls into the
criteria.
Typical of Non-UPC/EAN
codes. The scanner defaults
to a minimum of 4 character
bar code.
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.
The unit beeps at
some bar codes
but 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.
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