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89
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 MS2020 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 programmed
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.
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