Kvaser USBcan Professional User's Guide
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Kvaser AB, Mölndal, Sweden
— www.kvaser.com
5 How to use the Kvaser USBcan Professional
To use the Kvaser USBcan Professional as a CAN interface; connect the unit to a free USB
socket on your PC or USB hub.
When used as a CAN interface, the green lamp will be illuminated and the yellow
lamps will emit short flashes when CAN messages are transmitted and received.
5.1 Troubleshooting
Use ―Kvaser Hardware‖ in the Control Panel to verify that the computer really
can talk to the Kvaser USBcan Professional. Read out the firmware version. If
it‘s all zeroes, there are communication problems.
If the LEDs are flashing or glowing, compare the pattern with the specified LED
indicators in Table 2 and Table 3.
If the LEDs are not flashing or glowing at all, check the power supply.
