GoDEX GS220 - Manual (Page 11)

7
Troubleshooting Guide
The following guide is for reference purposes only. Contact a customer service
representative to preserve the limited warranty terms.
Symptoms Possible Causes Solution
All Interfaces
The unit has no
LEDs, beep or laser.
No power is being
supplied to the
unit.
Check the transformer, the outlet
and power strip. Make sure the
cable is plugged into the unit.
No power is being
supplied to the unit
from host.
Some host systems cannot supply
enough current to power the
scanner. A power supply may be
needed.
At power up the
unit beeps two
times and
alternately flashes
the LEDs.
There is a ROM
failure.
A flash ROM upgrade is required.
At power up the unit
beeps three times.
There is a non-
volatile RAM
failure.
Contact a customer service
representative.
At power up there
is a continuous
razz tone.
There has been a
diagnostic failure.
At power up there
is a razz tone and
the green LED
flashes.
There is a VLD
failure.
At power up there
is a razz tone and
both LEDs flash.
There is a
scanning
mechanism
failure.
The unit scans,
communicates and
beeps twice.
The same symbol
timeout is set too
short.
Adjust the same symbol timeout
for a longer time.
The unit powers up,
but does not beep.
The beeper may
be disabled or no
tone has been
selected.
Enable beeper and select a tone.