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Troubleshooting guide – Metrologic Instruments MS7120 Series User Manual

Page 26

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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