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T
ROUBLESHOOTING
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.
Symptom
All Interfaces
No LEDs, beep or motor
spin.
No LEDs, and no beep.
During power up the
unit beeps 3 times.
During power up the
unit razzes
continuously.
During power up the
unit razzes once and
the blue LED flashes.
During power up the
unit razzes twice and
blue LED flash.
There are
multiple scans upon
presentation of code.
The unit powers up but
does not beep.
The unit powers up but
does not scan and/or
beep.
54
Possible Cause(s)
No power is being
supplied to the scanner.
No power is being
supplied to the scanner.
A Non-volatile RAM
failure.
A RAM or ROM failure.
A VLD failure.
Scanner motor failure.
The same symbol
timeout is set to short.
The beeper is disabled.
No volume is selected.
No tone is selected.
The unit is trying to
scan a particular
symbology that is not
enabled.
The unit has been
configured for a
character length lock or
a minimum length and
the bar code being
scanned does not
satisfy the configured
criteria.
Check the transformer, outlet and the power strip. Make sure the
power cable is plugged into the scanner.
The host system cannot supply enough current to power the MS2220
series scanner. Use the power supply included with the scanner.
Contact a Metrologic service representative, if the unit will not hold the
configuration.
Contact a Metrologic service representative, if the unit will not function.
Contact a Metrologic service representative.
Contact a Metrologic service representative.
Adjust same symbol timeout for a longer time.
Enable the beeper.
Select a volume.
Select a tone.
UPC/EAN and Code 128 are enabled by default. Verify that the type
of bar code being read has been selected.
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.
Solution
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