Dead Battery: No scan light, beep
sound, LED light, and display.
Charge battery by connecting KDC to
power source using included cable. KDC
may take up to 20 minutes to power on
from dead battery.
Hardware failure
• Laser scan engine appears as a
dot or not emitted at all.
• OLED – display screen is
distorted or no display.
• USB – KDC does not charge at
all. KDC display toggles
between messages ‘USB Port
Connected’ and ‘USB Port
Disconnected’ when KDC is
plugged into power source.
Contact distributor for technical support
Recommends replacing KDC battery
annually.
Power source does not supply proper
current to KDC. Try first using another
USB port or power source. If problem
persists the issue may be hardware
damage to the USB port or charging cable.
Failed Reading – KDC is out of scan
range or incorrect angle
Try scanning at a closer distance or
changing the angle of the scan.
Failed Reading – Scan window is
dirty or damaged
Clean the scan window and make sure
there are is no dirt or cracks impacting the
scan light. Contact distributor for support
if damaged.
Barcode settings - Symbology not
enabled or supported
Check barcode settings to make sure
Symbology is enabled or contact
Barcode settings – does not meet
minimum length
Check scan options. Min. length for laser
models is 4 characters and can be lowered
to 2. Imager models min. length is 2 and
can be lowered to 1.
Failed Reading – poor bar code
quality or damage barcode
Try scanning a different bar code.
Failed Reading – KDC is out of scan
Try scanning at a closer distance or
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