Filter
Top Products
41
TROUBLESHOOTING GUIDE
The following guide is for reference purposes only. Contact a customer service
representative to preserve the limited warranty terms on page 56.
7820 SERIES TROUBLESHOOTING GUIDE
SYMPTOMS POSSIBLE CAUSE(S) SOLUTION
All Interfaces
No LEDs, beep
or motor spin.
No power is being
supplied to the
scanner.
Check transformer, outlet and
power strip. Make sure the
cable is plugged into the
scanner.
No LEDs, beep.
No power is being
supplied to the
scanner from host.
Some host systems cannot
supply enough current to power
7820 series scanner. Use the
power supply included with the
scanner.
3 beeps on
power up.
Non-volatile RAM
failure.
Contact a customer service
representative, if the unit will not
hold the configuration.
Continuous
razz tone on
power up.
Diagnostic failure.
Contact a customer service
representative, if the unit will not
function.
Razz tone and
blue LED flash
at power up.
VLD failure.
Contact a customer service
representative.
Scanner motor failure.
Contact a customer service
representative.
Multiple scans
upon
presentation of
code.
Same symbol timeout
set too short.
Adjust same symbol timeout for
a longer time.
The unit powers
up but does not
beep.
Beeper disabled
No volume is selected
No tone is selected.
Enable beeper.
Select volume (configurable).
Select tone.