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29
TROUBLESHOOTING GUIDE
Symptoms Possible Cause(s) Solution
All Interfaces
During power
up the unit
beeps 3 times.
There is a non-volatile
RAM failure.
Contact a Metrologic service
representative.
During power
up the unit
razzes
continuously.
There is a RAM or
ROM failure.
Contact a Metrologic service
representative.
During power
up the unit
razzes once
and the blue
LED flashes.
There is a VLD failure. Contact a Metrologic service
representative.
During power
up the unit
razzes twice
and both LEDs
flash.
There is a scanner
motor failure.
Contact a Metrologic service
representative.
RS232 Only
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 unit powers
up OK and
scans OK but
does not
communicate
properly to the
host. The com port is not
operating properly.
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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