Metrologic MS3780 Fusion Installation And User Manual page 29

T
ROUBLESHOOTING
Symptoms
All Interfaces
During power
up the unit
beeps 3 times.
During power
up the unit
razzes
continuously.
During power
up the unit
razzes once
and the blue
LED flashes.
During power
up the unit
razzes twice
and both LEDs
flash.
RS232 Only
The unit powers
up OK and
scans OK but
does not
communicate
properly to the
host.
G
UIDE
Possible Cause(s)
There is a non-volatile
RAM failure.
There is a RAM or
ROM failure.
There is a VLD failure.
There is a scanner
motor failure.
The com port at the
host is not working or
is not configured
properly.
The cable is not
connected to the
proper com port.
The com port is not
operating properly.
Solution
Contact a Metrologic service
representative.
Contact a Metrologic service
representative.
Contact a Metrologic service
representative.
Contact a Metrologic service
representative.
Check to make sure that the
baud rate and parity of the
scanner and the communication
port match and that the program
is looking for RS232 data.
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