User's Manual

KDC300 User Manual
39
6. Troubleshooting
Problem Possible Cause Possible Solution
Dead battery Charge the battery by connecting USB cable to
PC
KDC is dead
Hardware failure Contact technical support
Bad battery Replace the battery
Poor USB port
USB port doesn’t supply proper current to KDC
Charge KDC using other USB port
Damaged barcode Try to scan a different barcode
Out of scan range Move the scanner closer or farther from the
barcode
Incorrect angle Change the angle until the scanner reads the
barcode
Not supported
symbology
Contact sales for the possibility of custom
symbology support
KDC is not charging
KDC does not scan a
barcode
Scan options Check the option settings
Dirty Scan Window Clean the scan window
Damaged Scan
Window
Replace the scan window
Scanner reads wrong
barcode
Failed reading
Dirty Scan Window Clean the scan window
Damaged Scan
Window
Replace the scan window
Poor quality printing Select only necessary barcodes
Increase the minimum barcode length
Increase security level
Cable is not
connected properly
Check the proper connection of cable between
scanner and PC, PDA and cell phone
Can’t communicate
with PC, PDA or cell
phone
Can’t communicate
with PC, PDA or cell
phone
Bluetooth is not
connected
Check the Bluetooth connection between KDC300
and host device.
LED blinks yellow Software is not
working properly
Reload the software
Buffer Full Message COM configuration Check COM port configurations