The following guide is for reference purposes only. Contact a Metrologic representative at
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 | 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 |
up |
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
22
