Troubleshooting - Motorola Symbol DS3578 Product Reference Manual

3 - 2 Symbol DS3578 Digital Scanner Product Reference Guide

Troubleshooting

Troubleshooting
Table 3-1
Problem
Scanner emits short low-short
medium-short high beep
sequence.
Nothing happens when scan
trigger is pressed.
Laser comes on, but scanner
does not decode the bar code.
Scanner emits four short high
beeps.
Scanner emits a disconnect
(short high-short low) beep
sequence.
Possible Causes
Scanner is powering up.
No power to the scanner.
Scanner is disabled.
If using RS-232 Nixdorf B
mode, CTS is not asserted.
Scanner is not programmed
for the correct bar code
type.
Bar code symbol is
unreadable.
Bar code is out of range of
the scanner.
Battery is low.
Scanner has disconnected
from cradle because it is too
far from the cradle.
Scanner has disconnected
from the cradle because the
cradle has lost power or
been placed in USB
suspend mode.
Possible Solutions
Normal when scanner battery is inserted.
Check battery.
Ensure that end cap to battery chamber is
secured.
For Simple Serial Interface (SSI), Synapse, or
IBM-468x mode, enable the scanner via the host
interface. Otherwise, call the Motorola Solutions
Global Customer Support Center (see
for contact information).
Assert CTS line.
Ensure the scanner is programmed to read the
type of bar code being scanned.
Check the symbol to ensure it is not defaced. Try
scanning test bar codes of the same bar code
type. See Appendix C, Sample Bar Codes
bar codes.
Move scanner closer to or further from bar code.
Charge the battery. See Charging the Scanner
Battery in the Cradle on page
Move closer to the cradle and listen for a
reconnection beep (short low-short high).
Check power connections to cradle, and if using a
USB cable, check to make sure PC has not
entered a power save mode.
page xvii)
for test
1-8.