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11
Troubleshooting Guide
The following guide is for reference purposes only. Contact a customer service representative to preserve the
limited warranty terms.
SYMPTOMS
POSSIBLE
CAUSE(S)
SOLUTION
No LEDs,
No beep or
No motor spin.
No power is being
supplied to the
scanner.
Check the transformer, outlet and power strip.
Make sure the cable is plugged into the scanner.
No LEDs,
No beep.
No power is being
supplied to the
scanner from host.
Some host systems cannot supply enough current to power an
IS220. Use the power supply included with the scanner.
The unit beeps
3 times on power
up.
There has been a
Non-volatile RAM
failure.
Contact a service representative if the unit will not hold the
programmed configuration.
The unit razzes
continuously on
power up.
There has been a
diagnostic failure.
Contact a service representative if the unit will not function.
At power up, there
is a Razz tone and
the green LED
flashes.
There has been a
VLD failure.
Contact a service representative.
At power up, there
is a Razz tone and
both LEDs flash.
There has been a
scanner motor
failure.
Contact a service representative.
There are multiple
scans upon
presentation of a
bar code.
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 is
disabled.
Enable the beeper.