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6.1 COMMUNICATION
MALFUNCTIONING
No communication from the cradle to the
device, or data is corrupted.
? Power indicator of the cradle is not green.
• Check if the terminal is properly inserted in the
cradle.
• Check the connection of the power supply to the
cradle.
• Check if the mains socket has power.
? No data transmitted, or corrupted data.
• Check if the interface cable is undamaged, and
properly connected to the cradle and the host
computer.
• Clean the optical interface window of the cradle
and/or terminal, and try again.
6.2 READ OPERATION
MALFUNCTIONING
When the terminal has a problem with reading
the label:
? General tips.
• Change the angle of the terminal relative to the
bar code.
• Change the distance between the bar code and
the terminal.
? The label consists of small bars with small
spaces (high-resolution label).
• Decrease the distance between the bar code and
the terminal.
? The bar code is larger than the laser beam.
• Try moving the terminal a bit further away from
the bar code.
? The reading window is dirty.
• Clean the reading window of the terminal.
? The type of the bar code label is not enabled.
• If applicable, enable the bar code symbology in
the application program.
? The error occurs consistently with a certain batch
of labels.
• Verify the barcode. If you use a barcode printer it
is advised to use also a barcode verifier.
6.3 TERMINAL
MALFUNCTIONING
Terminal does not respond to key presses,
while the display stays on.
? Pressing the shift key does not toggle the shift
indicator.
• An error in the application program may cause
the system to get stuck. Reset the terminal by
inserting a thin device (for example the end of an
paperclip) into the reset hole.
• If the problem occurs regularly, contact the
supplier of the application program.
Laser stays off, when pressing the trigger key.
? Power is off.
• The trigger key is no power key. Press the power
key to get power.
• If the terminal is not used for a certain period, it
will switch off automatically to save battery
power. Press the power key to reactivate.
? Laser temperature has become too high.
• The laser is switched off automatically, when the
laser temperature becomes above 50°C. Wait
until the laser temperature has dropped.
Terminal gets no power, when pressing the
power key.
? The main battery is exhausted.
• Place a full battery, or charge the terminal in the
cradle.
PHL4100/IRU4100 OPTICON - 23
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