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26
TROUBLESHOOTING GUIDE
The following guide is for reference purposes only. Contact a Metrologic
representative at 1-800-ID-METRO or 1-800-436-3876 to preserve the limited
warranty terms on page 45.
Symptoms Possible Cause(s) Solution
All Interfaces
The unit has no
LEDs, beeper
or motor spin.
No power is being
supplied to the
scanner.
Check the transformer, outlet
and power strip. Make sure the
cable is plugged into the
scanner.
The unit has no
LEDs and / or
beeper.
No power is being
supplied to the
scanner from host.
Some host systems cannot
supply enough current to power
the IS3480. Use the power
supply included with the
scanner.
There are
multiple scans
upon
presentation of
code.
The same symbol
timeout is set too
short.
Adjust the same symbol timeout
for a longer time increment.
The beeper is disabled. Enable the beeper.
The unit powers
up but does not
beep.
No tone is selected. Select a tone.
The unit is trying to
scan a particular
symbology that is not
enabled.
UPC/EAN, Code 39, Interleaved
2 of 5, Code 93, Code 128 and
Codabar 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 scanner has been
programmed for a
character length lock,
or a minimum length
and 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.