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