User's Manual
Chapter 5 Trouble Shooting
Problem Possible Cause Possible Solution
Batteries are dead Charge the battery by connecting USB cable with PC
The laser scanner is not
working
Hardware failure Contact technical support
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
Scan options Check the option settings
Dirty Scan Window Clean the scan window
The scanner is not
scanning
Damaged Scan Window Replace the scan window
Dirty Scan Window Clean the scan window
Damaged Scan Window Replace the scan window
The scanner reads wrong
barcode
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 cellphone
Bluetooth is not
connected
Check the Bluetooth connection between KDC200 and
host device.
Software is not working
properly
Reload the software
Can’t communicate with
PC, PDA or cellphone
COM configuration Check COM port configurations
LED blinks yellow Low battery Charge the battery by connecting USB cable with PC
Will lose collected data if the battery is empty.
Buffer Full Message No Memory Clear the Memory using Synchronization program
Empty Battery Message No Battery Connect USB immediately. Synchronize the collected
data and charge KDC200