Symbol MiniScan MS1204FZY, Integration Manual

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9 - 2 Symbol MiniScan MSXX04 Series Integration Guide
Troubleshooting
Table 9-1
Troubleshooting
Problem Possible Cause Possible Solutions
No red LED or nothing
happens during a scan
attempt. No power to the scanner. Check the system power.
Confirm that the correct host interface cable is
used.
Connect the power supply.
Re-connect loose cables.
Scanner cannot read the bar
code. Interface/power cables are
loose. Re-connect loose cables.
Scanner is not programmed
for the correct bar code type. Make sure the scanner is programmed to read the
type of bar code to be scanned.
Scan other bar code(s) and 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 make sure it is not defaced.
Try scanning similar symbols of the same code
type.
Inappropriately hot
environment. Remove the scanner from the hot environment,
and allow it to cool down.
Laser activates, followed by a
beep sequence. Beeper is configured. Refer to Table 3-1 on page 3-7 for beeper
indication descriptions.