5 - 2
Symbol MS4404/MS4407 Integration Guide
Troubleshooting
Problem
No red LED or nothing
happens during a
capture attempt.
Imager cannot read the
bar code.
Laser activates, followed
by a beep sequence.
NOTE If after performing these checks the symbol still does not decode, contact the distributor or contact
Motorola Enterprise Mobility Support. See
Possible Cause
No power to the imager.
Interface/power cables are
loose.
Imager is not programmed for
the correct bar code type.
Incorrect communication
parameters.
Bar code symbol is
unreadable.
Inappropriately hot
environment.
Beeper is configured.
Possible Solutions
Check the system power.
Confirm that the correct host interface
cable is used.
Connect the power supply.
Re-connect loose cables.
Re-connect loose cables.
Ensure the imager is programmed to
read the type of bar code to be decoded.
Try capturing other bar code(s) and other
bar code types.
Set the correct communication
parameters (baud rate, parity, stop bits,
etc.)
Check the symbol to ensure it is not
defaced. Try capturing similar symbols of
the same code type.
Remove the imager from the hot
environment, and allow it to cool down.
Refer to
Beeper Signals on page 3-3
beeper indication descriptions.
page xv
for contact information.
for