Kvaser USBcan Light User’s Guide
10 (18)
LED
Function
Description
PWR (Green)
Power
Steady light when unit is powered and working.
USB configuration
Blinking once every three seconds when something is
wrong with the USB connection.
Firmware
2 Hz flash if something is wrong with the firmware or con-
figuration.
CAN 1 (Yellow)
CAN RxTx
Status for CAN channel 1.
CAN 2 (Yellow)
CAN RxTx
Status for CAN channel 2.
Table 2: LEDs on the Kvaser USBcan Light.
3.6
Troubleshooting
Use “Kvaser Device Guide” in the Control Panel to verify that the computer can
communicate with the Kvaser USBcan Light. If the firmware version shown is all
zeros, there are communication problems. If the LEDs are not flashing or do not
light up at all, check the power supply.
Kvaser AB, Mölndal, Sweden — www.kvaser.com