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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 39.

All Interfaces

MS7120 Series Troubleshooting Guide

SYMPTOMS POSSIBLE CAUSE(S) SOLUTION
No LEDs, beep No power is being supplied Check transformer, outlet and power
or motor spin to the scanner strip. Make sure the cable is plugged
into the scanner
No LEDs, beep No power is being supplied Some host system’s cannot supply
to the scanner from host enough current to power Orbit. Use
the power supply included with the
scanner.
3 beeps on Non-volatile RAM failure Contact a Metrologic Representative,
power up if the unit will not hold the
programmed configuration
Continuous razz RAM or ROM failure Contact a Metrologic Representative,
tone on power if the unit will not function
up
Razz tone and VLD failure Contact a Metrologic Representative
green LED flash
at power up
Razz tone and Scanner motor failure Contact a Metrologic Representative
both LEDs flash
at power up
Unit scans, Same symbol timeout set Adjust same symbol timeout for a
Communicates too short longer time
and beeps twice