5 - 2 Symbol MS4404/MS4407 Integration Guide

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