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TROUBLESHOOTING GUIDE
The following guide is for reference purposes only. Contact a customer service
representative to preserve the limited warranty terms, see page 39.
All Interfaces
Symptoms Possible Causes Solution
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
or illumination.
No power is being
supplied to the
scanner from the host.
Some host systems cannot supply
enough current to power the
MS4980. A power supply may be
required.
There has been a
scanner configuration
failure.
Contact a customer service
representative, if the unit will not
hold the saved configuration.
Long Razz tone
on power up.
There has been a
diagnostic failure.
Contact a customer service
representative, if the unit will not
function.
Long Razz tone
when exiting
configuration
mode.
There was a failure
saving the new
configuration.
Re-try to configure the scanner.
Contact a customer service
representative if the unit will not
hold the saved configuration.
Long Razz tone.
There is a scanning
mechanism failure.
Contact a customer service
representative.
Short Razz tone
in configuration
mode.
An invalid bar code
has been scanned.
Scan a valid bar code or quit
configuration mode.