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14
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 28.
SYMPTOMS POSSIBLE CAUSE(S)SOLUTION
No LEDs, beep
or laser line
No power is being supplied to
the scanner
Check transformer,
outlet and power strip.
Make sure the cable is
plugged into the
scanner.
No LEDs, beep No power is being supplied to
the scanner from host
Some host systems
cannot supply enough
current to power the
MS6220. Use the
proper power supply.
3 beeps on
power up Non-volatile RAM failure
Contact a Metrologic
Representative, if the
unit will not hold the
programmed
configuration.
Continuous razz
tone on power up RAM or ROM failure Contact a Metrologic
Representative.
Razz tone at
power up
VLD failure or a Scanner
flipper failure
Contact a Metrologic
Representative.
Unit scans,
Communicates
and beeps twice
Same Symbol timeout set too
short
Adjust same symbol time
out for a longer time.
The unit powers
up but does not
beep
Beeper disabled. No tone
selected
Enable beeper. Select
tone.
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