Troubleshooting - KoamTac KDC300 User Manual

6. Troubleshooting

Problem
KDC is dead
KDC is not charging
KDC does not scan a
barcode
Scanner reads wrong
barcode
Failed reading
Can't communicate
with PC, PDA or cell
phone
Can't communicate
with PC, PDA or cell
phone
LED blinks yellow
Buffer Full Message
Possible Cause
Dead battery
Hardware failure
Bad battery
Poor USB port
Damaged barcode
Out of scan range
Incorrect angle
Not supported
symbology
Scan options
Dirty Scan Window
Damaged Scan
Window
Dirty Scan Window
Damaged Scan
Window
Poor quality printing
Cable is not
connected properly
Bluetooth is not
connected
Software is not
working properly
COM configuration
KDC300 User Manual
Possible Solution
Charge the battery by connecting USB cable to
PC
Contact technical support
Replace the battery
USB port doesn't supply proper current to KDC
Charge KDC using other USB port
Try to scan a different barcode
Move the scanner closer or farther from the
barcode
Change the angle until the scanner reads the
barcode
Contact sales for the possibility of custom
symbology support
Check the option settings
Clean the scan window
Replace the scan window
Clean the scan window
Replace the scan window
Select only necessary barcodes
Increase the minimum barcode length
Increase security level
Check the proper connection of cable between
scanner and PC, PDA and cell phone
Check the Bluetooth connection between KDC300
and host device.
Reload the software
Check COM port configurations
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