Troubleshooting - KoamTac KDC Series User Manual

7. Troubleshooting

ISSUE
KDC not working
KDC not
charging
Failed reading
KDC reads
wrong barcode
May't
communicate
with PC, PDA,
or smartphone
CAUSE
Dead battery
Hardware
failure
Bad battery
Poor USB port
Damaged
barcode
Out of scan
range
Incorrect angle
Symbology
not
supported
Scan options
Dirty scan
window
Damaged scan
window
Dirty scan
window
Damaged scan
window
Poor quality
barcode
USB cable is
not
connected
properly
Software is not
working
properly
COM
configuration
SOLUTION
Charge battery by connecting KDC

to your PC using the included cable
Contact distributor for technical

support
Replace battery – Contact Local

Distributor
USB port doesn't supply proper

current to KDC
- Charge KDC using a
different USB port on your PC
Scan a different barcode

Move the scanner closer to barcode

Move scanner farther from the

barcode
Change the angle of scanner to

barcode
Contact KOAMTAC -

www.KOAMTAC.com for possibility
of custom symbology support
Check scan option settings

Clean scan window

Replace scan window

Clean scan window

Replace scan window

Select only necessary barcodes

Increase minimum barcode length

Increase security level

Check cable connection between

KDC and host device
Reload the software

Check COM port configurations

123