Troubleshooting Guide - Metrologic MS6720 Installation And User Manual

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)
No LEDS, beep No power at power up
or motor spin
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
power up
Continuous razz RAM or ROM failure
tone on power
up
Razz tone and VLD failure
red LED flash at
power up
Razz tone and Scanner motor failure
both LEDs flash
at power up
Unit scans, Same symbol timeout set
Communicates too short
and beeps twice
22
SOLUTION
Check transformer, outlet and power
strip
Contact a Metrologic Rep, if the unit
will not hold the programmed
configuration
Contact a Metrologic Rep, if the unit
will not function
Contact a Metrologic Rep
Contact a Metrologic Rep
Adjust same symbol timeout for a
longer time