Metrologic MS6720 User's Guide download pdf (Page 26)

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. Pg. 37.

All Interfaces

MS6720 Troubleshooting Guide

SYMPTOMS POSSIBLE CAUSE(S) SOLUTION

No LEDS, beep No power at power up Check transformer, outlet and power

or motor spin strip

NOTE: If it’s a direct connect scanner, the problem could be inadequate power being supplied to

the scanner. It may be necessary to use a Metrologic transformer for power. Check the

fuse in the MCA.

3 beeps on Non-volatile RAM failure Contact a Metrologic Rep, if the unit

power up will not hold the programmed

configuration

Continuous razz RAM or ROM failure Contact a Metrologic Rep, if the unit

tone on power will not function

Razz tone and VLD failure Contact a Metrologic Rep

red LED flash at

power up

Razz tone and Scanner motor failure Contact a Metrologic Rep

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

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Metrologic MS6720 User's Guide Page 26