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T
ROUBLESHOOTING
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.
All Interfaces
Symptoms
No LEDs, beep
or illumination
Long Razz tone
on power up
Long Razz tone
when exiting
configuration
mode
Long Razz tone
Short Razz tone
in configuration
mode
18
G
UIDE
MS1890 Series Troubleshooting Guide
Possible Causes
No power is being
supplied to the
scanner.
No power is being
supplied to the
scanner from the host.
The wrong
communication cable
has been used.
There has been a
scanner configuration
failure.
There has been a
RAM or ROM failure.
There was a failure
to save the new
configuration.
There is a scanning
mechanism failure.
An invalid bar code
has been scanned.
Solution
Check transformer, outlet and
power strip. Make sure the cable
is plugged into the scanner.
Some host systems cannot supply
enough current to power the
MS1890. A power supply may be
required.
Check that the communication
cable matches the unit type and
scanner configuration.
Contact a Metrologic service
representative, if the unit will not
hold the saved configuration.
Contact a Metrologic service
representative, if the unit will not
function.
Re-try to configure the scanner.
Contact a Metrologic Service
Representative if the unit will not
hold the saved configuration.
Contact a Metrologic service
representative.
Scan a valid bar code or quit
configuration mode.
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